Acknowledgments
The authors are thankful to the Director, Birbal Sahni Institute of Palaeosciences, Lucknow, India, for providing infrastructural facilities to carry out the present study. Thanks are due to Head, CAS in Geology, University of Lucknow, Lucknow for his support for the present research work. The authors duly acknowledge the anonymous reviewers for the valuable suggestions and corrections. The authors are thankful to Dr. Firoze Quamar for his indespensible suggestions. The authors are thankful to Dr. William Ray for his indespensible suggestions.This is the reference number as BSIP contribution No. 88/2020-2021.