**Acknowledgements**

The author U.D acknowledges DST-SERB-NPDF, UGC-RFSMS-DSKPDF, and S.A and also acknowledges, DST-SERB, BRNS, DRDO, CEFIPRA, DMRL-Hyderabad, and UGC-DAE-CSR-Indore for their financial support and sample preparation, and characterizations.
