Hey as Megha-Tropiques is an Indo-French Joint Satellite Mission for studying the water cycle and energy exchanges in the tropics.

Launch Mass: 1000 kg
Launch Date Wednesday, October 12, 2011
Power: 1325 W
Launch Vehicle: PSLV-C18
Type of Satellite: Earth Observation

Launch
The Megha-Tropiques satellite was successfully placed in an 867 km orbit with an inclination of 20 degrees to the equator by the Indian Space Research Organisation through its Polar Satellite Launch Vehicle on October 12, 2011
The PSLV-C18 was launched at 11:00 am on October 12, 2011 from the first launch pad of the Satish Dhawan Space Centre (SHAR) located in Sriharikota, Andhra Pradesh.

Objective
The main objective of this mission is to understand the life cycle of convective systems that influence the tropical weather and climate and their role in associated energy and moisture budget of the atmosphere in tropical regions.

Principles
Cloud properties and precipitation (MADRAS instrument)
Water vapor horizontal and vertical distribution (SAPHIR instrument)
Radiative fluxes (ScaRaB instrument).