Hello Somasekhar,

Congraulations on qualifying GATE and getting admitted in IIT PG course. The documents required while reporting for admission are- 

• GATE scorecared
• Highschool , i.e, class 10th marksheet and certificate
• Intermediate, i.e., class 12th marksheet and certificate
• Undergraduate degree academic record(marksheets)
• Caste and category certificate(if applicable)
• Application fee receipt
• Identity proof
• Character certificate from previous institute of study