Instructions to register online for GATE 2015 :

1. Go to  GATE Online Application Processing System (GOAPS).
2. Click on “New User Register here”
3. Fill the online application form
4. Upload photograph and signature and other documents 
5. The application fee through net-banking
6. Check the Status of your application form: Received, Under Scrutiny, Accepted, Defect Status, Status after Rectification, Rejected with Valid Reasons, Admit Card Ready for Download, etc.

Procedure for Filling GATE 2015 Online Application Form (pdf file with screen shots)