Yes you can get any private college for doing diploma , in my opinion the best option for you is Polytechnic . Else its your choice. All the Best for future.

Hello Sachin !

Diploma courses have become popular these days with more students opting to do diploma after 10th. It helps inculcate knowledge and skills regarding a specific stream for getting into the industry. 

With 50% in 10th there maybe limitation in some colleges, but you have many options in many fields like arts, animation, beauty care, agriculture, hotel management, engineering, fashion technology.

Based on your interest you can select the college.

All the best !