NEW DELHI: The launch of GISAT-1 satellite has been pushed further due to lockdown imposed to prevent the spread of coronavirus, sources said on Tuesday.The launch of GISAT-1 onboard GSLV-F10 was planned for March 5 but it was postponed due to technical reasons. In a statement, the Indian Research Revised launch date will be informed in due course.Sources, however, added that the next launch was scheduled to be held in April."But now we cannot launch GISAT-1 due to lockdown. An exercise like launching a satellite requires nearly 1,000 people to do deal with its various aspects," a source said.No fresh date has been fixed for the launch of GISAT-1, the sources said.In India, satellite launches take place from the Satish Dhawan Space Centre in Sriharikota GISAT-1, the earth observing satellite roughly weighs around 2,275 kg and has a lifespan of seven years.The satellite will also have a multi and hyper-spectral imagery along with the 700 mm Ritchey-Chretien telescope for earth observation and data collection, plus a high resolution camera.It will help in near real-time observation of the Indian subcontinent under cloud free condition at frequent intervals. It will also help in quick monitoring of natural disasters and keep a constant watch on borders.The satellite has been designed to obtain spectral signatures of agriculture, forestry, mineralogy, disaster warning, cloud properties, snow, glaciers and oceanography.