1. Solid-State Pharmaceutical Research Group (SSPRG), Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, 500 037, India
2. School of Chemistry, University of Hyderabad, Prof. C. R. Rao Road, Gachibowli Central University P.O., Hyderabad 500 046, India
3. CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411 008, India