**Acknowledgements**

The authors would like to express their gratitude to Plasma Spray Coats in Bangalore, India, for providing the coating facility. The authors would like to thank VJTI, Mumbai, as well as IIT Bombay, India, for providing testing facilities such as SEM, EDX, XRD, Nano-indentation, and Non-contact profilometer. A special extended thanks to Sree Chitra Tirunal Institute of Medical Science and Technology, Kerala for helping in performing the in-vitro biocompatibility test. This research is not supported by any financial grant from a public or private funding agency.
