B.Com in Mumbai

Procedure of admission in correspondence B.Com.
Those candidates have completed 12th class in any subject are applicable for B.Com in correspondence.
But you 12th class must be completed minimum 45% marks from a recognised board then you are applicable for doing B.Com by Mumbai University.
The candidates who have completed graduation degree in any stream or engineering degree in any branch are applicable for MBA courses,
List of best MBA courses:
MBA in Marketing
MBA in Finance
MBA in Communication
MBA in Entrepreneurship
MBA in Hospitality & Tourism
MBA in Health Care Management
MBA in Human Resource (HR)
MBA in Information System and Technology
MBA in Human Relations
MBA in Operations
MBA in Computers, etc.

Your percentage is very low so it may be difficult to get admission in B.Com in any reputed colleges you have 2 options chose a suburban college or opt for an evening college like Sathe College which had a cut-off of 80 percent, NM more than 90, etc.
Following are options which you have:
Mahatma Night College, Chembur Naka, Mumbai
Dr T.K. Tope College of Arts and Commerce, Parel, Mumbai
Vikas College, Vikhroli
All of above are evening colleges.
Few other options are:
BNN College-Bhiwandi,
Mahadev Chaugule College-Bhiwandi
Gurukul College of Commerce
Khar Education Society College, Khar West
Nirmal Education Society College of Commerce, Ghatkopar
RS Night College, Malad
Western College of Commerce, Sanpada, Navi Mumbai