ISRO chief V Narayanan outlines plans for four launch pads by 2029, a new SSLV complex in Tamil Nadu and upcoming Gaganyaan tests. Chennai, Oct 25 (PTI) ISRO Chairman V Narayanan has said that India will expand its space operations significantly with four functional launch pads by. ISRO Chairman says nearly 8,000 ground-based experiments have advanced India’s ambitious Gaganyaan human spaceflight.