An old group photo of our classmates: Identify all

If you can identify the persons in the above photo then mail me to prathishpd@gmail.com. or sms the names to (9809674074) format  T1,T2,T3 for top 3 persons from left B1,B2,B3 for bottom 3 persons from left Reply-1 Sir,        We have identified the classmates T1-KRISHNAN,T2-KRISHNA KUMAR,B2-RATHI KUMAR,&B3-RAJA GOPAL.These persons are already identified.Krishnan's phone number is not availabe.T3 and B1 can't identify                                                              NIRMALA,VBHSS,TCR