Hi aspirant,
Here is a list of top colleges for b.com
1.Shri Ram College of Commerce:-Shri Ram College of Commerce (SRCC), Delhi was established in 1920. SRCC is one of the first Commerce and Economics institutes of India. SRCC was initially a Commercial School. Later on in 1932, the college was converted into a degree college.

2.Lady Shri Ram College for Women:-Lady Shri Ram College for Women (LSR), New Delhi was established in 1956 and has long been recognized as a premier institution of higher learning for women in India. As a centre for academic excellence and achievement, the college is today one of the finest in India

3.Loyola College, Chennai:-Loyola College, a Catholic Minority Institution, was founded by the Society of Jesus (Jesuits) in 1925, with the primary objective of providing University Education in a Christian atmosphere for deserving students irrespective of caste and creed.

4.Christ University, Bangalore:-Christ University, Bangalore, formerly Christ College (Autonomous) affiliated to Bangalore University was established in 1969. It has the rare distinction of being the first institution in Karnataka to be accredited by National Assessment and Accreditation

5.St. Xaviers College, Mumbai:-St. Xaviers College, Mumbai was established in 1869 and accredited by NAAC with A+ grade. It is an autonomous college under the University of Mumbai. The aim of the college is to promote human wisdom and also seek to accompany in faith

Hello applicant,

Govt.colleges for b.com are:

• ABV government college,Andhra Pradesh
• Acharya Nagarjuna university
• Adarsh college,Jharkhand
• Agra College ,Uttar Pradesh
• Alagappa government arts college,Tamil Nadu
• Aligarh muslim university ,Uttar Pradesh
• Shri Ram college of commerce, Delhi

Hope it helps.