You have to complete either intermediate or +2. Then only you can join in a bachelor course for computers like B.Sc, Computer sciences or B C A which are good subjects. For some subjects distance mode of education facility is there. But I am not sure whether any university is offering computer degree in this methodology. However, you can search on the internet. You will get some idea about that. For this, no formal qualification is required. They will conduct an entrance test and a pass in that will be taken as your eligibility for getting admitted into that course. You may have to attend some practical classes in their centres. I remember that Indira Gandhi Open University is offering these courses. You can try.