1. Centre for Theoretical Physics, Jamia Millia Islamia, New Delhi 110025, India
2. Inter University Centre for Astronomy and Astrophysics, Post Bag 4, Pune 411007, India
3. Department of Physical Sciences, P D Patel Institute of Applied Sciences, Charotar University of Science and Technology, Gujarat 388421, India
4. Department of Physics and Astronomy, University of Iowa, Iowa City, IA 52242, USA
5. Department of Physical Sciences, Indian Institute of Science Education and Research, Kolkata, Mohanpur 741246, India