1. Department of Physics H.H. The Rajah's College (Autonomous), Pudukkottai, (Affiliated to Bharathidasan university) Tiruchirappalli Tamilnadu India
2. Department of Botany H.H. The Rajah's College (Autonomous), Pudukkottai, (Affiliated to Bharathidasan university) Tiruchirappalli Tamilnadu India