Usha Rani K*1, Maddi Ramaiah1, K Nagaphani2, V Preethi3 and M Srinadh4
*1Department of Pharmacology, Sri Sivani College of Pharmacy, Chilakapalem,Srikakulam – 532402, A.P., India
1Department of Pharmacognosy, Hindu College of Pharmacy, Amaravathi Road, Guntur -522002, A.P., India
2Department of Pharmacology, NATCO Research Centre, Sanathnagar, Hyderabad - 5000018, A.P., India
3,4AM Reddy Memorial College of Pharmacy, Narasaraopet – 522601, A.P., India.