[1] Dept. of Pharmaceutical Sciences, Punjabi University, Patiala, Punjab 147 002, India
[2] Shri Baba Mastnath Inst. P.S./R., Asthal Bohar, Rohtak, Haryana 124 001, India
[3] Dept. of Pharmaceutical Sciences, M. D. University, Rohtak, Haryana 124 001, India
[4] Lord Shiva College of Pharmacy, Sirsa, Haryana 127 055, India