Hi,

I hope you are doing well.  As your profile suggest that you belong to UP so up there is an entrance exam name jeecup takes place every year for admission in government collage.  A lot of private collage also give admission without any entrance exam so you can do polytechnic in cs. But if you want it from government collage then you have to give exam of jeecup. More details:- Click here (https://jeecup.nic.in/)