go to rtionline.gov.in then you can either file RTI by submit request link or you can file RTI after creating user id of yourself and then file RTI i will suggest you to create id on that site so in further you can track your rti status online and can see your all rti at one place and after submit request link you can file rti by chosing public authority and ministry there you will see column for each information they ask you about you so it will be easy to file rti by using this site