1)University College of technology,Osmania University,Hyderabad.

2)Jawaharlal Nehru Technological University,Kakinada.

3)Jawaharlal Nehru Technological University,Hyderabad.

4)National Institute of Pharmaceutical Education and Research Hyderabad.

5)Andhra University, Visakhapatnam.

6)Kakatiya University, Warangal.

7)Acharya Nagarjuna University, Guntur.