i wanted to take admition in softwear branch which collage is best and how marks i nedded to take admition in it??

To do software engineering you will be required to give JEE Mains.

As per JEE mains eligibility criteria: It is mandatory for aspiring candidates to have taken 5 subjects in 12th or qualifying exam.

The 5 subjects for B.Tech/B.E. are: 1-Language, 2-Physics, 3-Mathematics, 4-Any one of (Chemistry, Biology, Biotechnology, Technical Vocational Subject), 5-Any other subject.

According to MHRD, apart from admissions to IITs, the qualifying marks for admission to NITs, IIITs and GFTIs have also been revised. As per the notification, for candidates to qualify for admissions to NITs/IIITs/GFTIs, they should have secured at least 75% marks in class 12th exam or be in the top 20 percentile in the class 12th exam conducted by the respective boards. For SC/ST candidates, the eligibility criteria is 65% marks in class 12th.

Rest criteria you can check here .

So once you get a good rank/score in Jee mains as per your score you will get a college and branch of your choice.

To get into top colleges you need to aim above 230 marks.

Also you should be from PCM background.

You can check the list of colleges for software engineering here .

All the best.