Hi Sehraj
For getting Bds in government you have to give NTA Neet examination . Neet is consist of 720 marks paper in which 360 is of biology and 180 marks for physics and chemistry each .So to get government college for Bds through you have to score at least 450 to 500 marks I am considering general category student. For getting Nursing in government you have entrance which conduct the state government .
Hope it will help you out
Good luck