Hi Aspirant,

As per the instructions from the organizing institute for year 2021 GATE, the following are required for registration :

1. Personal information (name, date of birth, personal mobile number, parents' name, parents' mobile number, etc.). Please note that the name of the candidate in the application form must exactly be the same as that in the valid photo ID, which the candidate MUST produce in original while appearing for GATE-2021 examination at the centre.
   GATE 2021 scorecard will be issued as per the name entered in the application form.
   Prefix/title such as Mr/Shri/Dr/Mrs/Smt/Prof/Capt, etc. MUST NOT be used before name.
2. Address for Communication (including PIN code)
3. Eligibility degree details
4. College name and address with PIN code
5. GATE paper(s) (subject)
6. Four Choices of GATE examination cities
7. High quality image of candidate's photograph conforming to the requirements specified
8. Good quality image of candidate's signature conforming to the requirements specified
9. Scanned copy of Category (SC/ST) certificate (if applicable) in pdf format
10. Scanned copy of PwD Certificate (if applicable) in pdf format
11. Scanned copy of Certificate of Dyslexia (if applicable) in pdf format
12. Scanned copy of the valid photo Identity Document (ID)(The same ID, in original, MUST be carried to the examination hall)
13. Net-banking/debit card/credit card/UPI details for fee payment.

Therefore, there is no need of declaration form (seal and sign from institution) for registration of GATE 2021 .

For more information you can check here : https://engineering.careers360.com/exams/gate

Hope this helps...

Good Luck !!