yes kritika, you need to attend NEET (or AIIMS OR JIPMER exam if you wanna get in AIIMS and jipmer respectively), for admission to all MBBS seats in india,

NEET 2018 Examination is most likely to be held on 10th May (Thursday) 2018. NEET 2018 Application Form will be released in the month of January 2018.CBSE conducts NEET for admission across all medical colleges in india except aiims,and jipmer.The exam pattern is as follows:-

physics-45 questions each carrying 4 marks

chemistry-45 questions,each carrying 4 marks

and biology 90 questions each carrying 4 marks as well.hope this helps good luck