Chemistry
Institute of Aeronautical Engineering
Chemistry
Sri Venkateswara University
Chemistry
University of Cape Town
Chemistry
National Taiwan University
Chemistry
SDHR Degree College(PG), Rayachoti.
Sri Venkateshwara University
Sri Venkateshwara University
Sri Venkateshwara University
National conference, S.V.Arts College, Tirupati
UGC-New Delhi
Vaal University of Technology, South Africa
National conference, S.V.Arts College, Tirupati
UGC-New Delhi
Vaal University of Technology, South Africa
NTUST
National Taiwan University of Science and Technology
Lifetime member
Senior member
Lifetime member
Lifetime member
Senior member
Lifetime member
Member
Scientific Board member
Scientific Board member
Member
Scientific Board member
Scientific Board member
Editorial board and review committee member