Both courses are good and have a wide scope. The duration of the course is different for B.Arch and B.Planning. B. Arch is of 5-year duration whereas B.Planning is a 4-year program. The work nature is different for both B.Arch graduate and B.Planning graduates. The salary packages will be different for a B.Arch graduate and B.Planning graduate. The work pressure also varies for both professions.

Planning can be learned from below listed colleges:
Indian Institute of Technology, Kharagpur
Indian Institute of Technology, Roorkee
Lovely Professional University, Phagwara, Punjab
Bengal Engineering College, Sibpur University, Kolkata (West Bengal)
Visvesvaraya National Institute of Technology, (Deemed University), Nagpur (Maharashtra)
School of Planning & Architecture, New Delhi
Jawaharlal Nehru Architecture and Fine Arts Univ. (JNAFAU) under Jawaharlal Nehru Technology University, Hyderabad (A.P)
Maulana Azad National Institute of Technology, Bhopal
Sardar Vallabhbhai National Institute of Technology, Surat (Gujarat)
B. Arch. can be studied in below listed colleges:
National Institute of TechnologyThiruchirapalli
Centre For Environmental Planning & TechnologyAhmedabad

Hi Archana!This is Neeraj Atluri.The best answer to your question is B.architecture(In my view).After completion of this course you will have a good live(job,salary)Sorry for the late reply and All the best!If you have any doubts regarding this reply me,Our team will help you.