1. Roop Lal et al, published paper titled “Effect of Varying Chemical Composition on Mechanical Behaviour of Ferrous Cast Product” in International Journal of Advanced Production and Industrial Engineering. IJAPIE  ISSN: 2455 – 8419; Mat & Mfg Sp.   ISSUE  2017   6      IJAPIE – ISSN: 2455 – 8419;  VOL. 1(4), 61 – 65
2. .Roop Lal et al, published paper titled “Experimental Analysis of a swirl Atomizer for Hihg Differential Pressure” in International Journal of Advanced Production and Industrial Engineering. IJAPIE  ISSN: 2455 – 8419; VOL. I  ISSUE 4  2016    61; IJAPIE – 2016 – 10 – 409, VOL. 1(4), 61 – 65
3. Roop Lal et al, published paper titled “Tribological performance analysis of textured steel surfaces under lubricating conditions” in International Journal IOP Publishing; Surf. Topogr: Metrol. Prop. 4(2016) 034005
4. Roop Lal et al, published paper titled “A Review on Experimental Investigation of Machining Parameters during CNC Machining of OHNS”,  in International Journal of Engineering Research and application (IJERA), Volume 6, Issuue 2, February 2016,  ISSN: 2248–9622
5. Roop Lal et al, published paper titled “Investigation of Surface Morphology in EDM process using Response Surface Methodology”, in International Journal of Modern Engineering Research, (IJMER), Vol. 5, Issue 9, Sep 2015. ISSN:2249 - 6645
6. Roop Lal et al, published paper titled “Modeling and Analysis of Current and Weld Speed on Weld Hardness of Steel – Cu Weldments by RSM Approach”, in  International Journal of Modern Engineering Research, (IJMER), Vol. 5, Issue 6, Jun 2015. ISSN:2249 - 6645.
7. Roop Lal et al, published paper titled “Optimization of process parameters on Over – Cut in drilling of AlB₄C MMC”, in International Journal of Modern Engineering Research, (IJMER), Vol. 5, Issue 5, May 2015. ISSN:2249 - 6645
8. Roop Lal et al, published paper titled “An Overview on Process Parameters Improvement in Wore Electrical Discharge Machining”, in International Journal of Modern Engineering Research, (IJMER), Vol. 5, Issue 4, Apr 2015. ISSN:2249 - 6645
9. Roop Lal et al, published paper titled “Optimization of Tool Wear: A Review”, in  International Journal of Modern Engineering Research, (IJMER), Vol. 4, Issue 11, Nov 2014. ISSN:2249 - 6645.
10. Roop Lal et al, published paper titled “Experimental Research on MRR in EDM Process using Regression Modelling”, in International Journal of Modern Engineering Research, (IJMER), Vol. 5, Issue 10, Oct 2015. ISSN:2249 – 6645
11. Roop Lal et al, published paper titled “Failure of Piston in IC Engines: A Review”, in  International Journal of Modern Engineering Research, (IJMER), Vol. 4, Issue 9, Sep 2014. ISSN: 2249 - 6645.
12. Roop Lal et al, published paper titled “Friction and Wear of Tribo – Elements in Power Producing units for I C Engines – A Review”, in  International Journal of Engineerinf Trends and Technology, Vol. 14, Issue 5,  2014. ISSN: 2231 – 5381.

Details of Papers in the International Conferences:

1. Roop Lal,  Presented a paper titled “Tribological Analysis of Etched Mild Steel Surfaces” in the “ International Conference of Advance Research and Innovation (ICARI – 2015- 01- 149)” Organized by the International Journalof Advance Research and Innovation ( www.ijari.org) held at Institution of Engineers (India), Delhi State Centre (Engineers Bhavan ),  Bahadur Shah Zafar Marg, New Delhi 110002, India on January 31^st , 2015.
2. Roop Lal,  Presented a paper titled “Investigation of Tribological behavior of pure Aluminium and Aluminium Alloy” in the “ International Conference of Advance Research and Innovation (ICARI – 2015- 01- 142)” Organized by the International Journalof Advance Research and Innovation ( www.ijari.org) held at Institution of Engineers (India), Delhi State Centre (Engineers Bhavan ), Bahadur Shah Zafar Marg, New Delhi 110002, India on January 31^st , 2015,
3. Roop Lal,  Presented a paper titled “3 D Finite Element Stress Analysis of Human Knee Joint” in the “ International Conference of Advance Research and Innovation (ICARI – 2015 – 01 - 103)” Organized by the International Journalof Advance Research and Innovation ( www.ijari.org) held at Institution of Engineers (India), Delhi State Centre (Engineers Bhavan ), Bahadur Shah Zafar Marg, New Delhi 110002, India on January 31^st , 2015,
4. Roop Lal, Presented a paper titled “Investigation of Wear Behavior of Aluminium Alloy and Comparison With Pure Aluminium”  “International Conference of Advance Research and Innovation (ICARI – 2015 – 01 - 151)” Organized by the International Journalof Advance Research and Innovation ( www.ijari.org) held at Institution of Engineers (India), Delhi State Centre (Engineers Bhavan ), Bahadur Shah Zafar Marg, New Delhi 110002, India on January 31^st , 2015. ISBN 978 – 93 – 5156 – 328 – 0.
5. Roop Lal, R.C. Singh, Davendra Singh, Presented a paper “Stress Analysis at Contact Region of Rail-Wheel: Review” in the Vth International Symposium on “Fusion of Science & Technology”, New Delhi, India, January 18-22, 2016, ID: 2016-ISFT-148
6. Davendra Singh, R.C. Singh, Roop Lal, Presented a paper “Computational Static Analysis of Rail - Wheel Model of Indian Railways” in the Vth International Symposium on “Fusion of Science & Technology”, New Delhi, India, January 18-22, 2016, ID: 2016-ISFT-159
7. Roop Lal, Presented a paper titled “A Comprehensive Comparison of Heat Transfer Performance from Crcular & Oval Tubes”  “International Conference of Advance Research and Innovation (ICARI – 2016)” Organized by the International Journalof Advance Research and Innovation ( www.ijari.org) held at Institution of Engineers (India), Delhi State Centre (Engineers Bhavan ) , 2 Bahadur Shah Zafar Marg, New Delhi 110002, India on February 27^th , 2015. ISBN 978 – 93 – 5156 – 328 – 0.
8. Surabhi Lata, Nitish Kumar Verma, Chetan Singh and Roop Lal, Presented a paper titled “Review on Morphology and Microstructure Analysis of MOG reinforced AL Composites” in the  “ International Conference of on Recent Advances in Mechanical Engineering (RAME – 2016)” Organized by the Mechanical Engineering Department, Delhi Technological University, Delhi – 42, India on 14 & 15 Oct 2016. With paper ID: RAME – 101.
9. Roop Lal, R C Singh, M S Niranjan, Ravi Pal, Presented a paper titled “ Effect of Varying Chemical Composition on Mechanical Behaviour of Ferrous Cast Product” in the International Conference on Advanced Production and Industrial Engineering (ICAPIE – 2016) Organized by the Mechanical Engineering Department, Delhi Technological University, Delhi – 42,  India on 9 - 10 Dec, 2016. With paper ID: ICAPIE – 2016 - 169.
10. Roop Lal,  Presented a paper titled “Study of Active Brake System for Automobile” in the “ International Conference of Advance Research and Innovation (ICARI – 2017- 01- 31)” Organized by the International Journalof Advance Research and Innovation ( www.ijari.org) held at Institution of Engineers (India), Delhi State Centre (Engineers Bhavan ),  Bahadur Shah Zafar Marg, New Delhi 110002, India on January 29^th , 2017. ISBN 978 – 93 – 5156 – 328 – 0.
11. Roop Lal,  Presented a paper titled “Study of Automatic Tyre Inflation while Vehicle in motion” in the “ International Conference of Advance Research and Innovation (ICARI – 2017- 01- 32)” Organized by the International Journalof Advance Research and Innovation ( www.ijari.org) held at Institution of Engineers (India), Delhi State Centre (Engineers Bhavan ),  Bahadur Shah Zafar Marg, New Delhi 110002, India on January 29^th , 2017. ISBN 978 – 93 – 5156 – 328 – 0.
12. Roop Lal,  Presented a paper titled “Design of Poppet Engine Valve for Enhanced Machanical Properties” in the “ International Conference of Advance Research and Innovation (ICARI – 2017- 01- 33)” Organized by the International Journalof Advance Research and Innovation ( www.ijari.org) held at Institution of Engineers (India), Delhi State Centre (Engineers Bhavan ),  Bahadur Shah Zafar Marg, New Delhi 110002, India on January 29^th , 2017. ISBN 978 – 93 – 5156 – 328 – 0.

Books Written:

1. “A Text Book of Engineering Graphics” Publisher I. K. International- 2015  [ ISBN : 978 – 93 – 84588 – 68 – 7]