I have done my 12th (PCMB) with 70% but could not clear JEE but got 70 marks in MHCET. Can I get admission for B.Tech in food technology?

You might get admission in food tech but that might be possible in the last round of the counselling but till then you to wait and watch the details how the rank is going in comparison to the previous year.

This is a very big question. In which branches do you keep its totally depending on your choice but remember, the branch should be popular that you get job in coming days.

Try Shiksha college predictor for the correct response: https://www.shiksha.com/b-tech/resources/mhcet-college-predictor