Technology Development Board signs agreement with Manastu Space for ₹116 crore RDI support to develop scalable indigenous green propulsion systems for…. New Delhi: The Technology Development Board (TDB), Department of Science & Technology (DST), Government of India, has signed an agreement with Manastu Space Technologies Private Limited, Navi Mumbai, for financial support of ₹116 crore under the Research Development and Innovation (RDI) Fund. The project, with a total cost of ₹277.