PG and Research Department of Chemistry, V. O. Chidambaram College, Tuticorin - 628 008, Tamil Nadu, India; Reg. NO:17212232032004, PG and Research Department of Chemistry, V. O. Chidambaram College, Tuticorin - 628 008, Tamil Nadu, India. Affiliated by Manonmaniam Sundaranar University, Abishekapatti, Tirunelveli - 627 012, Tamil Nadu, India.