1. L.N. Das and S. Nanda, Pseudo-Invexity and Symmetric Duality in Nonlinear Programming, Optimization 267-273, 28, 1994 (ISSN-0233-1934)

2. L.N. Das and S. Nanda, Proper Efficiency Conditions and Duality for Multiobjective Programming Problems involving Semilocally Invex Functions, Optimization Vol 34, PP43-51, 1995, (ISSN-0233-1934)

3. L.N. Das and S. Nanda, Pseudo invexity and symmetric duality in nonlinear fractional Programming, European Journal of Operational Research, 577-582,73 1994. (ISSN 0377-2217)

4. L.N. Das and S. Nanda, Pseudo-invexity and Duality in Nonlinear Programming, European Journal of Operational Research, 572-577, 88,1996. (ISSN 0377-2217)

5. L. N. Das and S. Nanda, Symmetric dual Multiobjective Programming, European Journal of Operational Research, 167-171, 97, 1997. (ISSN 0377-2217)

6. L. Das, Application of Solid matrix in modeling Optimization problems, ORMS Tomorrow, 1998. (ISSN1106349) 

7. S .Nanda and L.N.Das, Symmetric Dual multi objective Fractional Programming , Informations, 5(2002)

8.  S. Nanda and L. N. Das, Generalised invex functions and symmetric dual nonlinear programming problems by , J. Decision and Manag. Sci., 5-6 (1-3) (2001) 127 - 131

9. L.N. Das and D. Singh, Anew coding method in MATLAB used for solving a system of Linear Equations by LU Decomposition, International Research Journal of Engineering and Technology, Volume2, Issue2, May 2015. (e-ISSN 2395-9956)

10. L.N. Das, and R.K. Singh, Engineering Mathematical assessment of buckling effect on mechanical pumps column beam structure during crude deportation through the bore well, Conference proceeding, Recent Advances in Mechanical Engineering RAME-2016, DTU pages 593-598,(ISBN-978-194523970-0)

11. L.Das, and S.K. Parhi, Generalized entropy and its application in information technology, Advance Physics Letter, (APL-ISSN: 2349-1108): 2349-1108, Vol-3, Issue-3, p29-34, 2016.

12. L.N Das, Digvijay Singh and H. Sarkar, A mean point based convex hull computation algorithm, American Journal of Engineering Research(AJER),( e-ISSN:2320-0847), Volume-5. Issue-11, pp-70-75, 2016.

13. L.N Das and R.M. Singari, Electrical power production engineering analysis and heuristic decisive electrical energy tariff determination, International Journal of Advanced Production and Industrial Engineering (IJAPIE-ISSN-2455-8419) Pages 42-46, 2017.

14. L.N. Das, “National Income in the form of a complex dynamic system” International Journal of Advanced Production and Industrial Engineering, international journal of production and industrial engineering (IJPIE-SI-OSCM) 702, Pages 04-06, 2017. -ISSN-2455-8419

15. L.N. Das, and R. P. Singh Khera, "The Study & Implementation of Correlation Attack on LFSR Based Combination", international journal of scientific and engineering research, (IJSER) Volume 8, Issue7, July 2017 Edition pages 2414-2419, (ISSN 2229-5518).

16.L.N Das, S.K. Parhi and C.R. Mallick, "Aircraft component manufacturing machines operation schedule usable informative text", International Journal of Engineering Research and Application, (IJERA ISSN 2248-9622) Vol, 7, Issue 12, Part-4, December 2017, pp 20-22

17. LN Das and Sanyam Gupta,  A MATLAB Programming Applied in Grdaient Search Method to Solve Quadratic Optimization Problem, Proceedings Emerging Trends in information Technology: Selected Peer Reviewed papers, Edited Nidhi Arora, publisher Bloomsbury, year 2019, ISBN 978-93-89165-99-9-24681097531, pages 78-89.

18. LN Das, and Sanyam Gupta, Fibonacci Algorithm for Determining Minimum Value of a Unimodal Function using MATLAB Programmed Computing Software, International Journal of Recent Technology and Engineering (IJRTE), ISSN-2277-3878 (online) Volume-8 Issue-3, September 2019, page No 5275-5279. 

19.  L.N Das & S.Gupta, Electrical power system transmission quality and power supplier micro grid control functional reliability , International Journal of System assurance Engineering and Management, 4 Jan 2020, doi.org/10.1007/s13198-019-00943-1

20. L Das & Chittaranjan Mallick, A Study in Multistage Decision Making for Odisha state Avionic Infrastructure Development, American Journal of Operations Research, 2020, 10, 25-30,, DOI: 10.4236/ajor.2020.102003 Jan. 21, 2020.

21. L N Das and Sanyam Gupta, Optimal Investment Decision Model Based on Simplex Algorithm with Variable Optimal Value Evaluation Process, Mathematical Modeling and computational tools, Springer Nature Singapore Pte Ltd. May 2020, S. Bhattacharyya et al. (eds.), Mathematical Modeling and Computational Tools, Springer Proceedings in Mathematics & Statistics 320, pages 433-453
https://doi.org/10.1007/978-981-15-3615-1_31 

22. Prof L N Das, Mr. P K Swain and Dr. S K Pardhi,  Natural and Unnatural Energy Management System, book chapter in Lect. Notes Electrical Eng., Vol.690, Neeraj Priyadarshi et al: Advances in Power Systems and Energy Management, 978-981-15-7503-7, 489141_1_En(5), Springer, 

23. L N Das, C. Mallick and S. K. Parhi, Combinatorial Optimization and refinery operations resource solutions Reachability at the location, London Journal of Engineering Research, Print ISSN: 2631-8474 Online ISSN: 2631-8482,  https://journalspress.com/journalpreview/Journal_Preview_LJER_Vol_20_Issue_3.pdf., 10 July 2020

24. Man Singh, Sanyam Gupta, and LNDas, A study of mathematical backgrounds behind the digitally Communicated Switches design, ICT with inteligent Applications, Volume-1, PP351-360, DOI 1007/978-981-16-4177-0

25. Monu and LN Das, ICT systems  and sustainability , proceedings  of ICT4SD 2021,Volume 1,978-981-16-5986-7, Chapter19,pp177-185,  Chapter Title Optimal Packet Routing with multiple demands and link lines  

26. LN Das, Ankit Keswani, Arushi Babbar, Kshitij Ahuja, Application of Square Matrix decomposition in prospectus of Cholesky algorithm, Research article, June 2021, PP 22-26, ACM Proceeding https://dl.acm.org/doi/proceedings/10.1145/3475827  Https://doiorg/101145/34758273475631

27. Deepak Kumar, Virendra,Humar and Laxminaryan Das, Hermitian Toeplitz Determinants and some coefficient Functionals for the starlike functions, published in the Online Journal of Applications of Mathematics, Received April 24, 2022. Published online October 18, 2022, . DOI  10.21136/AM.2022.0092-22

28 Rajpal Rajbhar,La xminarayan Das,Constrained Effective Bit Selection for solving 0-1 Knapsack Problem, Published in the book Modelling and Applications in Operations Research,  Chapter-10, 17pages, Publisher CRC Press, Taylor's and Francis Group, year 15 March 2023 

Conference Paper presentation/Participation:

1. .Orissa mathematical Society XXI Annual Conference 27-28 February 1994, Post Graduate Department of Mathematics, F.M College Balasore, Orissa

2. Conference National on “Recent Trends in Mathematics and Computing” and 27^th Annual conference of Orissa Mathematical society, An optimal routing Solution of the Problem in Cellular Network, 12 march 2000.Department of Mathematics Utkal University Bhubaneswar.

3. Conference International Congress of Mathematicians 18-17 August 1998, Berlin Germany, Convexity to Univexity 15 miniute lecture presented on 22^nd august 1998.

4. International Conference Recent Advances in Mechanical Engineering (RAME-2016) Paper Title: Engineering mathematical assessment of buckling effect on the mechanical pumps column-beam structure during crude deportation through the bore well, Authors Name: Dr. L.N Das and Dr. R. K. Singh, Department of Mechanical, Production & Industrial Engineering, Delhi Technology, Delhi Technological University, Delhi-110042, India, on 14-15 October 2016.

5. International Conference on Advanced Production & Industrial Engineering, ICAPIE-2016, 11 & 12 December 2016, Department of Mechanical, Production & Industrial Engineering, Delhi Technological University

6. 10th National Conference on solid state chemistry & allied Areas (ISCAS 2017), 1st-3rd July 2017, conducted Department of Phycis, Delhi Technological University, at room number SPS-13, SPS-14, Ambedkar Auditorium, sponsored by Indian Association of Solid State chemistry and allied sciences. Paper title: Electric energy transmission constraints and congestion fulfilling materials, Authors, L.N. Das,and P.K. Swain, 2016, Vol-2, No1 (Serial No 62), Journal of Chemistry and Chemical Eng. USA, ISSN 1934-7375, .David publication DOI 10.17265/1934-7375/2013.07.001

7. 2nd International conference on advanced production and industrial engineering ICAPIE-2017, 6 & 7 December 2017, Department of Mechanical Production and Industrial Engineering, Delhi Technological University, Paper Title: Multistage Advanced Tasking for manufacture of Aircrafts in Indian Airports utilising industry machineries, Authors Prof Laxminarayan Das, and Prof Ranganath M Singari, Delhi Technological University, Delhi India.

8. International conference on computing mathematics and statistics, ICMS2017, Paper title Reinforcement Learning for computing power grid network operating functions, Authors: Dr. laxminarayan Das, Shivam sharma and Pinki Gupta, presented by Shivam sharma, Venue: Adya Hotel, Langkawi, Malaysia, 7-8 November 2017, organized by Faculty of Computer and mathematical sciences, Universiti Teknologi MARA (UiTM) Kedah Branch, Malaysia.

9. A National Conference on Engineering Mathematics, TOPAS-2017, Paper title Engineering Mathematics Impact on Academic and Industrial Developments, Author: Dr. Laxminarayan Das, Venue Department of Mathematics, Indian Institute of Technology, Kharagpur, India, December 16-17, 2017.

10. 7th International Conference on Soft Computing for Problem Solving SocProS 2017, Paper title: Aircraft Crew and Airport Schedule for low cost transport, Authors: Dr. Laxminarayan Das, Mamata Sahu, and Ruchika, venue Department of Electrical Engineering, Indian Institute of Technology Bhubaneswar, India, December 23-24, 2017, An annual event of Soft Computing Research Society.

11. 45th Annual Conference of Odisha Mathematical Society and National Seminar on Computational and Mathematical Engineering ICME-2k18, Paper title: Role of Mathematics curriculum for enhancing sustainable transport system facilities for Odisha region inhabitants, Authors: L.N. Das and C. R, Mallick, venue Department of Mathematics, Parala Maharaja Engineering College, Berhampur Ganjam, 761003, Odisha, India, February 3-4, 2018.

12. Three days National Seminar on Application of Graph & Network in Computational Studies, Bioinformatics Engineering and its technical terminology, organized by School of Computational and Integrative Sciences Jawaharlal Nehru university, New Delhi 110067, venue Auditorium II, Convenience Centre, Sponosred Government of India commission of Scientific Technical Terminology, Ministry of Human Resource Development, and Department of higher education, Paper title: Constrained physical networks A beginer's study, Author L N Das, Delhi Technological Uiniverity, India, March 12-14, 2018 

13. International Conference on Applied and Computational Mathematics  ICACM 2018, at Department of Mathematics, Indian Institute of Technology, Kharagpur, Paper Title A Simplex algorithm applied investment decision supporting variable optimal value evaluation process, Authors: Sanyam Gupta and Prof  L.N. Das, Delhi Technological University, Delhi, India 110042. November 23-25, 2018. Paper presented by Sanyam Gupta. 

14.9th International conference of Quality, Reliability, Infocom Technology and Business Operation(trends and future directions), 27-29 December 2018 at conference center University of Delhi. Paper Title: Electrical power system Transmission quality and power supply microgrid control functional Reliability. Authors: Prof. L.N Das and Mr. Sanyam Gupta, Delhi Technological University. Conference organized by Department of Operational Research, University of Delhi. Paper presented by Mr. Sanyam Gupta.

15 National Conference on Emerging Trends in Information technology NCETIT-2019, Organized by Department of Computer Science, Kalindi College, University of Delhi and sponosred by UGC during August 1-2, 2019, Paper Title: A MATLAB Programming Applied in Grdaient Search Method to Solve Quadratic Optimization Problem, Authors Name: Prof L N Das and Mr. Sanyam Gupta. Paper presented by Mr. Sanyam Gupta.

16. 3rd International Conference on Advanced Mathematical Analysis and its Applications ICAMAA-2020, Organized by P.G. Department of Mathematics, Berhampur University, Bhanja Bihar, Berhampur-760007, Odisha, India, during 04-05 February, 2020. Paper Title: Crude and refined Petrochemical Storage Container Design Unit, Authors Name: Prof L N Das, Mr. G Kotra, Dr. C Mallick and Dr. S K Parhi. Paper presented by Dr. S. K. Parhi.

17. International Conference on Advances in Mathematics & Computing ICAMC-2020, Organized by Department of Mathematics, Veer Surendra Sai University of Technology, Siddhi Vihar, Burla, Odisha-768018, India, during February 07-08, 2020. Paper Title: Certain Biomathematics problem solving computational interpretation,  Authors Name: Prof L N Das, A. Nikhila Ranjan, and Dr. C Mallick.

18.International Conference on Emerging Trends and Advances in Electrical Engineering and Renewable Energy, ETAEERE-2020,during 5-6 March 2020, Organized by Department of Electrical Engineering, Kalinga Institute of Industrial Technology, Bhubaneshwar, Odisha.  Paper title:Natural and Unnatural Energy Management System, Authors name Prof L N Das, Mr. P K Swain and Dr. S K Pardhi.  

19. Monu and L N Das, Selected Delhi transport routing bus scheduling, International symposium on computational operations research and algorithmic game theory, held online during 29-31 March 2021, Conducted by Indian Statistical institute Delhi.

20.  Fifth international conference on information and communication technology for intelligent systems, April 23-24, 2021, Ahmedabad India, Virtual mode, Authors: Man Singh, Sanyam Gupta, Laxminarayan Das, Paper title: A study of mathematical backgrounds behind the digitally Communicated Switches design.

21. Monish and L N Das, A case study of vehicle Toll Plaza service time sequences for designing Poisson Queue birth death model,  SPRINGER PROCEEDINGS IN  MATHEMATICS AND STATISTICS  ( SCOPUS INDEXED), impact score 0.44, July 14, 2021

22.  Monu, and L N Das, Optimal Packet Routing with Multiple Demands and Link Lines, in 6th International Conference on Information Communication Technology for sustainable Development (ICT4SD-2021) held during August5-, 2021,The conference held through digital Platform Zoom.

23. L N Das, Rajpal Rajbhar, Constrained effective Bin Selection algorithm for solving 0-1 Knapsack Problem, in the International Conference on Artificial Intelligence Theory and Application held on 23-24 December 2021, Organized by Department of Electronics and communication Engineering, National Institute of Technology, Patna, India,

Seminar/Symposium participated:

1.Seminar on “Application of Operations Research Models to Management Decision Problems”, Conducted by Post Graduate department of Mathematics, NIT Rourkela, Orissa, on 10^th July 1996.

2.Summer Functional Analysis Seminar, Department of Mathematics Texas A &M University, Texas USA, 1998 Presented One hour Lecture on Analysis and Algorithm of solid matrix operation.

3. National Seminar on Algebra and Discrete Mathematics, NSADM-2007, Department of Mathematics, University of Keral, KaryaVattom, Trivandrum presented 30 minutes lecture on Cardio Vascular Systems optimal Flow Control Numeric functions and variables,from November 14^th to 16^th, 2007.

4. National Seminar on Recent Advances in Physics (NSRAP-2015) Depart,emt of Applied Physics, DTU, 16^th February 2015.

Short Term Course Attended:

1. Academic Refresher Course In mathematics and Computing, P.G. Department of Mathematics, Sambalpur University, Orissa 19^th March 1993-06^th April 1993

2.Q.I.P Sponsored  Short Term Course in “Probabilistic Operations Research Methods: A Computer Oriented Approach:, Department of Mathematics IIT Kharagpur May 24, 1993- June 5, 1993.

3. QIP Summer School on “Fractals in Nature and Their Realization in Computer Vision and Computer Graphics”, Dept. of Electronics and Electrical Communication Engineering, IIT Kharagpur, May 2-8, 1994.

4. Short Term Course on “Introduction to Artificial Intelligence Techniques”, Department of Computer Science and Engineering, IIT, Kharagpur, 4^th July to 8^th July 1994

5. Short Term Course on Latex and MATLAB, Department of Applied Mathematics, Delhi Technological University 2012

6. TEQIP-II sponsored two weeks Short-Term Training Program on “Advanced Web Designing Techniques” organized by Department of App;ied Mathematics, Delhi Technological University, Delhi, during 14-25 July 2014.

7.TEQIP-II sponsored Faculty Development Programme on “Automation in Manufacturing (AIM-2015), Department of Mechanical, Production and Industrial Engineering, Delhi Technological University, Delhi, May 04-15, 2015.

8. TEQIP-II sponsored one week Faculty Development Programme on Advances in Information Security (AIS-2016), Organized by Department of Computer Science & Engineering, Delhi Technological University, Delhi, January 18-22, 2016.

9. TEQIP-II sponsored one week Faculty Development Programme on “Recent Trends in Pattern Analysis and Machine Learning”, organized by Department of Electronics and Communication Engineering, Delhi Technological University, Delhi, July 11-to 15, 2016.

10. TEQIP-II sponsored one week Faculty Development Program- “Statistical Methods & a brief on LaTex”, organized by Department of applied Mathematics, Delhi Technological University, July 18-22, 2016.

11. TEQIP-II Sponsored one week Faculty Development Program on “Advances in Microelectronics and Plasma Diagnostics, AMPD-2016”, Organized by Department of Applied Physics, Delhi Technological University in association with IEEE EDS Delhi Chapter, Aug29-Sept-2, 2016.

12. TEQIP-II Sponsored Faculty Development Program, Environmental Pollution monitoring and Control, EPMC-2016, held during 24-to-28 October2016, Organized by Department of Environmental Engineering, Delhi Technological University, Delhi India.

13. AICTE sponsored one week QIP Short Term course on Introduction to Space Fligh Mechanics, conducted by IIT Bombay during June 19-23, 2017, Course coordinator Prof A, Joshi. 

14. AICTE-QIP short term course on "Numerical Techniques for Chemical Process Simulation", organized by the department of Chemical Engineering, IIT Kharagpur during November 20-26, 2017,

15.TEQIP-III Sponsored one week Faculty Development Program on "Recent Research Directions and Key Concepts in Electrical Engineering" organized by Department of Electrical Engineering, Delhi Technological University, Delhi, December 2-6 2019.

Workshop organized/participated/contributed/attended:

1.Seminar Cum Workshop on Mathematics and Computing, Department of Applied Mathematics, Delhi Technological University, march 22, 2012.

2. TEQIP-II Sponosred Two week Short Term Training Program on “Advanced Web Designing Techniques, Department of Applied Mathematics, Delhi Technological University, During 14-25 July, 2014.

3. One day Workshop on Curriculum revision and Development-2016, organized by department of applied Mathematics DTU, on April 22, 2016, participated as an expert/Resource person and reviewed the computation syllabus.

4. One day Workshop on Curriculum Revision and Development-2016, organized by department of Applied Mathematics DTU, on April-22, 2016 worked as Member.

5. TEQIP-II sponsored one week Faculty Development Program- “Statistical Methods & a brief on LaTex”, organized by Department of applied Mathematics, Delhi Technological University, July 18-22, 2016. 

6. DTU sponsored One-day M.Sc. Curriculum Workshop-2019 held on14 November 2019, organized by the Department of Applied Mathematics, DTU, Delhi, Prof L N Das Contributed and participated as Internal Expert.

7. TEQIP III sponosred one week Short Term training program on Recent Trends in security and Cryptography, organized by the Department of Applied Mathematics, Delhi Technological University, Delhi, During November 18-22, 2019, prof L N Das Contributed and participated as a member of organising committee.

8. TEQIP III sponsored one week short termtraining program on "Graph Theory and its Applications" organized by the Department of Applied Mathematics, Delhi Technological University, during November 25-29, 2019, Prof L N Das, contributed as a Member, organizing committee.  

Research Projects (Major Grants/Research collaborations):

1. BOYSCAST Fellowship 1996-97: Financial Assistance to Young Scientists for training at abroad under BOYSCAST Scheme, $1500/ for twelve months and to and fro TA to Texas A &M University College Station, Texas USA, DO number HRY/BYS/01/96. Dated October 10, 1996.

2. Young Mathematician Fellowship, sponsored by International Congress of Mathematicians, year 1998.

Association with Professional Societies:

1. Life Member Orissa  Mathematical society

2.  Life Member Operations Research Society of India, effect from July 29 2017, membership number 1253/L/17/ML

PhD student guided:

One, Dr. Sarat Kumar Parhi, Utkal University awarded in the year June 2016. Committee Chair Prof. J. Patel, Department of Mathematics Utkal University, External Examiner Prof. M. P. Biswal, Department of Mathematics , IIT Kharagpur.,. Superviser Dr. Laxminarayan Das, Delhi Technological University..

Academic Qualification: :

Professional Experiences:

Any other information: