Some interesting slides from a presentation last month by Dr. S. Somanath, Director of VSSC, regarding future of ISRO. Starting off with some slides of the Human Space-Flight mission Gaganyaan - (thread )

ADMIRE VTVL (Vertical take-off, vertical landing) demonstrator details:

Scramjet technology demonstrator:

Semi-Cryogenic engine and its SC500 stage (left-most in last pic):

Heavy Launch Vehicle (HLV) concept:

Small Satellite Launch Vehicle (SSLV):

LOX-Methane propulsion plan:

Last but not least - a generic roadmap that overviews ISRO's ambitions for the next 30 years (by ~2050).