Dear Arul Ambigapathy ,

please have a look at the following RG support page(s)

https://help.researchgate.net/hc/en-us/articles/14293081125777-Reviewing-editing-and-featuring-your-research

and scroll down to the section

' How do I edit my research item's details? '

and then to

'To edit author names:'

... follow the instructions there ...

Good luck and

best regards

G.M.