We gratefully acknowledge Grant #BT/PR27457/MED/12/811/2018 to BKT and Senior Research Fellowship to NY from the Department of Biotechnology, Government of India, New Delhi, and the Junior and Senior Research Fellowship (#325541-2017-22) to NY from University Grants Commission (UGC), New Delhi. The sequencing facility at the CIF, University of Delhi South Campus; the infrastructure support provided by UGC, New Delhi, through Special Assistance Programme; and the Department of Science and Technology, New Delhi, through FIST and DU-DST PURSE programme to the Department of Genetics, University of Delhi South Campus, are also acknowledged.