You have chances to get good colleges through MHT CET.

To check which colleges you can get based on your rank you can use below college predictor

MHT CET College Predictor

To check your expected rank you can use below rank predictor

MHT CET Rank Predictor

Through JEE Main you can apply in private colleges.
You can get private college in other states like: Haryana, UP, West Bengal, Punjab, Rajasthan, Maharashtra. Most of the states have reservation for other state students in private colleges based on JEE Main score/rank. You need to apply separately for them.

Good Luck!!