Tata Consultancy Services — grievance caused by tcs ion zone-error in the computer mode exam

Sir
Tcs ion zone has conducted csir net exam on 15.12.2019 in computer based mode. Wherein only one q
Option can be given to one question. The aspirant also has given only one option. After releasing of the response sheet by nta it was observed that, though the aspirant has given correct answer as per the nta key. The said response sheet is showing two options. Due to this the aspirant has lost four marks. The issue was taken up with tcs and ticket no 775833 was allowed by tcs ion and several mails were sent to tcs ion for resolving the issue. Still it was not solved. Request you to take up the issue with nta and resolve the issue.