Rename Hindu religion to Sanatana Dharma in the official records
Yes. Indians need to stop calling themselves using foreign vocabulary
Change Indian calendar from Shaka Varsha to Kali Yuga. And make it uniform across every state
The current localised calendars in different states of India, all of which starts after AD, seems to be colonially motivated. And this has no excuse, because every corner of India is aware of the Vedic Yuga system.
Make Sanskrit Second language through out the country
This beautiful language was a pan national one and the national standard, before being replaced by English. An ingenuous national language helps a lot to grow back the much weakened national pride among Indians.