DGCA rules for Drones in India

Remotely Piloted Aircraft (RPA), autonomous aircraft and model aircraft are various sub-sets of unmanned aircraft. Unmanned aircraft system (UAS) is an aircraft and its associated elements, which are operated with no pilot on board.
Most of us know these vehicle as Drones.

DGCA stands for THE DIRECTOR GENERAL OF CIVIL AVIATION . It is regulatory authority for civilian air traffic. DGCA makes rules for civilian aviation sector. any use of civilian airspace must be approved by DGCA. Drones or UAVs uses civilian airspace hence there operations must be approved by DGCA for using it in India.

Civil RPA is categorized in accordance with Maximum All-Up-Weight (including payload) as indicated below:
i) Nano : Less than or equal to 250 grams.
ii) Micro : Greater than 250 grams and less than or equal to 2 kg.
iii) Small : Greater than 2 kg and less than or equal to 25 kg.
iv) Medium : Greater than 25 kg and less than or equal to 150 kg.
v) Large : Greater than 150 kg.

Only nano class drone does not need permission for operating them under 60feet altitude.
Or
All military drones or UAV does not come under DGCA preview

1. ETA from WPC Wing, Department of Telecommunication for RPA operating in de-licensed frequency band(s), as applicable.
2. Security Clearance from Ministry of Home Affair. Individuals shall either obtain security clearance from MHA or submit self-attested copies of at least two out of three valid identity proofs viz. Passport, Driving License or Aadhar Card. In case of foreign remote pilots employed by Indian entity , DGCA shall forward documents for Security clearance to security agencies in accordance with the procedure being followed for Foreign Aircrew Temporary Authorization (FATA) pilots.