Member, American Mathematical Society.
Life member, Indian Mathematical Society.
Life member, Indian Science Congress Association
Life member, Bharat Ganita Parisad, Lucknow.
Life member, Society for Special Functions and their Applications, India.
Shalini Srivastava, 2003, On models of irreducible q-representations of certain Lie algebras and special functions.
Sarasvati Yadav, 2008, Two parameter quantum algebras and p,q-special functions.
Vikash Kumar Pandey, 2015, Weighted composition operators and representations of transformation groups.
Ashish Verma, 2015, Generalizations, recursion formulas and derivatives with respect to parameters of certain special functions.
Ravi Dwivedi, 2019, Lie theory, matrix theory and special functions.
Reviewer, Mathematical Reviews.
Reviewer, Zentralblatt Math.
Joint Secretary, Bharata Ganita Parisad, 2000 - 2008.
General Secretary, Bharata Ganita Parisad, 2013 - 2014.