1. Phytochemistry Laboratory, Department of Botany, Periyar University, Salem, India
2. PG and Research Department of Botany, National College (Autonomous), Tiruchirappalli, India
3. PG and Research of Department of Chemistry, Jamal Mohamed College (Autonomous), Tiruchirappalli, India
4. Department of Chemistry, PGP College of Arts and Science, Namakkal, India