Bhawani Singh3, Pradip C. Patel1, Aastha Pareek2, Dharma Kishore1, 1 Department of Chemistry, Banasthali Vidyapith, Banasthali (Rajasthan)-304022, India. 2 Department of Chemistry,Madhav University Abu Road (Rajasthan)-307026, India. 3 Department of Pure and Applied Chemistry, University of Kota, Kota (Rajasthan)-324005, India, India