Number 12

Authors: Harman Kataria , Alka Jindal

Authors: Ch.v. Narayana , E. Sreenivasa Reddy , M. Seetharama Prasad

Authors: Sajendra Kumar , Ram Kumar Rana , Pawan Singh

Authors: Ashoka H.n , Manjaiah D.h , Rabindranath Bera

Authors: Md. Fakhrul Alam Onik , Khairul Anam , Syed Sabir Salman - Al - Musawi , Nafiul Rashid

Authors: Umesh Rawat , Mukesh Sharma

Authors: M. Om Swaroopa , K. Suvarna Vani

Authors: D. Sujatha , Priti Chandra , B. L. Deekshatulu