Best Indian Startups in Gen AI space?

I've been curious about whether there are any good Indian startups in the AI field that are not building "tools" like meeting summary or anything of that sort. But more like research based such as OpenAI, Anthropic, Midjourney, etc. They...

What are the best AI startups in India?

Which Indian startups are using GenAI in production at scale and for what ?

This can be use cases like the whole CX function being replaced by GenAI (or reduced to a fraction), content marketing team reduced alot by using ChatGPT etc. ...