eoi for development of indigenous nano drone technologies for narrow space intervention , development of: , drone , flight controllers ( autopilot board ) , electronic speed controllers for motors , radio transmitter and receiver , power distribution board , rangefinder and optical flow , long endurance battery cells , gps and magnetometer module , ground control unit ( mission computer ) , sensor drivers , design & development of ai based software , misc cost including training, technical support during integration of system etc. , cost for prototype , note: 1. bidder will be selected l-1 on the basis of total quoted in words 2. commercial bid will be opended only for technically qualified bidders. 3. during stage of : integration of payload with drone, selected entity to provide technical support