I have got 55 in jee and expecting 70% in boards. please suggest me good colleges where i can get admission in computer science field.

Dear Aayushi, On the basis of this year JEE (Main) paper analysis and last year cut offs , and also including the weightage of your 10+2 marks you can expect a AIR rank above 145000+ -with these rank u may get chance in Bhagwant University, Ajmer Information Technology Spot Round Vivekananda Gl

Try this link https://www.shiksha.com/jee-mains-college-predictor and enter your all details. With that score as GEN its difficult to get college in JEE counselling. But you can sit at state counselling with that score and will surely get a good college.