greetings sanket,

The eligibility criteria for diploma is as follows:

(i)The Candidate should be an Indian National

(ii) Passed 10+2 Examination with Physics and Chemistry as compulsory subject along with Mathematics/Biology subject. OR 10+2 Science (with Mathematics as one of the Subject) OR 10+2 Science with Technical OR 10+2 with Vocational OR 10th + (2 years ITI) with appropriate Trade

here i am also putting the link of official site.

https://dsd19.dtemaharashtra.org/dsd19/index.php?show=home

All the best!!