Hey Sumit,
BCA is a three year full time course. It is for those who want to build their career in the field of Informational Technology.
Minimum Eligiblity:- 50%in 10+2 in higher secondary.
Top Colleges for BCA in Chandigarh are Under PU  or affilated from PU are:-
1. Goswami Ganesh Dutta S.D. college:- NAAC Accredition (GradeA+)/ Ranked 13 for BCA.
2. MCM DAV college for Women
3. DAV College, Chandigarh
4. Dev Samaj College of Education


Apart from PU there are many Top colleges like:-
1.Swami Vivekananda Group of Institutes
2.Chandigarh University
3.Sri Guru Gobind Singh College.