[Resolved]  Cognizant — for update last name as desai

Hello,
I have got offer letter from talent aquisition group 30/06/2020. My candidate i'd is 14247332 i have completed all the formalities but mistake in the my last name my last name is desai.in cognizant background verification portal i couldnt correct last name and accidentally updated other last name. So i kindly request you to modify or suggest me any way to change last name.