Deeptech startup Chara Technologies has raised $4.75 million in a funding round led by Exfinity Venture Partners, according to ETtech report. Big Capital, the venture arm of Bitexco and Log9 Materials, as well as returning investors Kalaari Capital and ciie.co also participated in the round. Founded in November 2019 by Keshavachar, Ravi Prasad Sharma, and…