Drones have been categorised into five categories, depending on their weight. The smallest is nano category which includes drones weighing up to 250 grams and going up to large that can be as heavy as 150 kg. Apart from the first two categories of nano and micro (over 250 grams to 2 kg) which are mostly used by children as toys, all other drone users need to be registered and have a unique identification number (UIN). People seeking such drone licences will need to be over 18 years of age and be at least tenth pass with knowledge of English.
“Unmanned Aircraft Operator Permit (UAOP) shall be required for Remotely Piloted Aircraft System (RPAS) operators except for nano RPAS operating below 50 feet, micro RPAS operating below 200 feet, and those owned by (security and central intelligence agencies…. As of now, RPAS to operate within visual line of sight, during day time only, and up to maximum 400 feet altitude,” the policy says.
Source: Drones licence: From December, licence needed to fly drone weighing over 2 kg – Times of India