1. Tata Institute of Fundamental Research—Hyderabad, Sy. No. 36/P, Gopanpally Village,
Serilingampally Mandal, Hyderabad 500107, India
2. Department of Solid State Physics, Indian Association for the Cultivation of Science, Kolkata 700032, India
3. School of Basic Sciences, Indian Institute of Technology, Bhubaneswar 751013, India