hii Deepshikha, 

According to expected cut off for M.Sc. computer science program in Allahabad university . You have fare chance of admission through ews category  . if you not get seat in first round , you must need to wait for 2nd or 3rd round counciling sedule . you have chance of getting affiliated colleges to . You need to continue visit official website for further updates . After selecting through ews category , you need to present ews category certificate for admission .

Hope it help!!