The Radar Imaging Satellite, launched on 26th of April this year, is the country’s first indigenously designed microwave imaging satellite. This information was given during the question hour in the Rajya Sabha by the Minister of State in the Prime Minister’s Office, Mr V. Narayanasamy. He said RISAT-I has the cloud-penetrating capability and also can image during day and night as well as all-weather conditions. This facilitates cloud penetration and imaging even without sunlight.