Greetings,

Yes, the eligibility for MEI Polytechnic, Bangalore is 10th pass for their diploma courses.

As for admission, the ads come around usually after the announcement of 10th state boards results in the state. I am attaching below the official link to their admission portal which has some relevant information.

https://dtetech.karnataka.gov.in/kartechnical/

also, link to official site:

http://www.meipolytechnic.com/en/admission

hope it helps,

Good day!