1. Geosciences Division, Physical Research Laboratory, Ahmedabad 380009, India
2. Department of Geology, Aligarh Muslim University, Aligarh 202002, India
3. Department of Geology, Presidency University, Kolkata 700073, India
4. Department of Earth Sciences, Pondicherry University, Puducherry 605014, India
5. CSIR-National Geophysical Research Institute, Hyderabad 500007, India