American Mathematical Society  

Member of American Mathematical Society (AMS). (Membership Code: JNRNKB) 

Contribution: Attended several sectional meetings of AMS. and delivered talks. 

Society for Industrial and Applied Mathematics 

The Indian Mathematical Society 

Life Member of The Indian Mathematical Society (IMS).  (Membership No. J-09-051) 

Contribution: 

Joint Organizing Secretary of the 76th Annual Conference of the Indian Mathematical Society (IMS 2010) organized by SVNIT during December 27-30, 2010. 

Delivered invited talk at IMS 2017 organized by Sai Venkateswara University, Tirupati, and IMS 2018 organized by Shri Mata Vaishno Devi University, Katra, Jammu and Kashmir. 

Attended IMS 2009 at Kalasalingam University, IMS 2014 at ISM Dhanbad, IMS 2015 at VNIT, Nagpur, IMS 2023 at BITS Pilani Hyderabad Campus. 

Ramanujan Mathematical Society 

Life Member of Ramanujan Mathematical Society (RMS), INDIA. (Membership No. 798). 

Calcutta Mathematical Society 

Life Member of Calcutta Mathematical Society (CMS), INDIA.  (Membership No. LJ/6). 

Contribution: Attended several Conference / Seminar of CMS.

The Indian Science Congress Association 

Life Member of The Indian Science Congress Association (ISCA). (Membership No. L16514) 

International Academy of Physical Sciences 

Life Member of International Academy of Physical Sciences (IAPS), INDIA. (Membership No. N12182) 

Contribution: 

Joint Organizing Secretary of International Conference of International Academy of Physical Sciences (CONIAPS-XIV) held at SVNIT, Surat during December 22-24, 2011. 

Attended CONIAPS-XV at Thailand 

Society for Special Functions and Applications  

Life Member of Society for Special Functions and Applications (SSFA), INDIA.  (Membership No. 765 w.e.f. 22.06.10)

Contribution: 

Organizing Secretary of International Conference of Special Functions and Their Applications (ICSFA 2012) held at SVNIT, Surat during June 27-29, 2012. 

Attended ICSFA 2010, 2011, 2015, 2016, 2017, 2018, 2019, 2020. 

Indian Society of Theoretical & Applied Mechanics   

Life Member of Indian Society of Theoretical & Applied Mechanics (ISTAM), INDIA.  (Membership No. L/730) 

Contribution: 

Member of the organizing Committee of 56th Congress of Indian Society of Theoretical and Applied Mechanics (ISTAM) held at SVNIT during December 19-21, 2011. 

Operational Research Society of India   

Life Member of Operational Research Society of India (ORSI) (Membership No. 1151/R/15/ML). 

Contribution: 

Program Committee Member of International Conference on Emerging Trends in Business Analytics & Management Sciences (57th Annual Convention of Operational Research Society of India (ORSI-2024)) scheduled to be held at IIT Bombay, during December 12-14, 2024.

Honorary Secretary of proposed Surat Chapter of Operational Research Society of India.

Indian Meteorological Society