I firmly believe that 99.9% of India’s civilization history lies buried within us and is readily accessible to us. Only we haven't explored enough.
If the Archaeological Society of India intends to expand its work and expedite the rediscovery of our own Indian civilization, it must invest in owning or, at the very least, renting a remote sensing satellite equipped with LiDAR, Hyperspectral imaging, and SAR capabilities.
By using this satellite, all of India should be surveyed from space to identify subtle manmade topographic features left behind by ancient civilizations, underwater ruins and shipwrecks, and even post-fire/post-flood soil changes, such as those attributed to significant yagnas/fires/floods mentioned in our literature.
Once some interesting sites are identified, they should be manually surveyed to confirm any significance. Simultaneously, a new generation of young archeologists should be recruited and trained, and all these sites should be allocated to them for exploration, excavation, and study.
Pic 1 - How LiDAR can uncover hidden sites
Pic 2 - An uninhabited reserve forest in India showing organized features, as if man-made, in a low-tech visual satellite image