hey,

to fill the application form of gauhati university you need to visit the official website of gauhati univeristy

there click on the admisson

fill the fields it ask to do like valid email ID and mobile number

your user ID and password will be sent to your registered email ID

click on proceed to application

enter the remaining fields

upload documents

and pay the fees

for  more information you may refer to the link mentioned below

https://university.careers360.com/articles/gauhati-university-admission

good luck!