hii Vivek , 

As you mentied  your marks and category here . You have full chance of get admission in main  campus of BHU . You will also get main campus hostel facility . It necessary to after declaration of result you need to follow proper counciling procedure for admission . You have  need to all the original documents at the time of admission .

You need to visit BHU official website regularly for further updates . 

Hope it helps !