Hey Mohan

To get National Testing Agency contact details you can visit their official website; NTA Contact Us (https://nta.ac.in/ContactUs)

You can also contact on their Mail ID, they are responsive on E-Mails as well. And for Exam related query, refer to given number:

• 8287471852 (tel:8287471852)
• 8178359845 (tel:8178359845)
• 9650173668 (tel:9650173668)
• 9599676953 (tel:9599676953)
• 8882356803 (tel:8882356803)

For further doubts, ask us.