Electro-Magnetic Intelligence Satellite (Emisat) will intercept radar signals and detect the kind of radar and its location. Emisat is a result of a five-year development jointly by Indian Space Research Organisation (Isro) and Defence Research and Development Organisation (DRDO).

from Times of India https://timesofindia.indiatimes.com/india/after-sat-killer-india-gets-radar-sniffer-in-sky/articleshow/68679357.cms