India to add 100-150 satellites to enhance safety, security in 3 yrs: ISRO Chief

Chennai: India would add another 100-150 satellites to cover the entire country over the next three years as part of enhancing border security and coastal surveillance, ISRO Chairman V Narayanan said here on Wednesday. Currently, India operates about 55 satellites and for a country which has a vast border and 7,500 km of shoreline, it is not sufficient, he said.