Hey shilpa,

According to my research if you have scored 430+ marks then you, have pretty good chances of getting seats in government mbbs Or bds colleges. And belonging to St category your chances may increase too. So, for a better idea I would recommend you to go through the expected cutoff list for neet 2020 using the link mentioned below-

https://www.google.com/amp/s/medicine.careers360.com/articles/neet-cut-off-for-government-colleges/amp

Also you can use our college predictor tool using the link mentioned below:-

Hope it helps.

Good luck.