Hie Ritu, if you have done Graduation then you can do Master in Business
Administration along with CS as the basic requirement for MBA is

Graduation in any discipline from a recognised university

For getting admission in good institutes for MBA you have to fight some
entrance exams which are named as:

CAT Common Admission Test

MAT Management Aptitude Test

XAT Xavier Aptitude Test

CMAT Common Management Admission Test

IIFT Indian Institute of Foreign Trade

ATMA AIMS Test for Management Admissions

NMAT Narsee Monjee Management Aptitude Test

SNAP Symbiosis National Aptitude test

TISS Tata Institute of Social Sciences

IRMA Institute of Rural Management

IBSAT ICFAI Business Studies Aptitude Test

TAPMI T A Pai Management Institute Admission Test

MICAT Mudra Institute of Communications Ahmedabad Admission Test

MAH CET Maharashtra Common Entrance Test

Top MBA colleges in India are:

Indian Institute of Management, Bangalore

Indian Institute of Management, Ahmedabad

Indian Institute of Management, Calcutta

Department of Management Studies, Indian Institute of Technology, Delhi

Department of Management Studies, Indian Institute of Technology, Madras

Indian Institute of Management, Lucknow

XLRI – Xavier School of Management, Jamshedpur

Indian Institute of Management, Kozhikode

Indian Institute of Technology, Roorkee

Indian Institute of Management, Indore

Vinod Gupta School of Management, Indian Institute of Technology,
Kharagpur

Faculty of Management Studies, University of Delhi, Delhi

National Institute of Industrial Engineering, Mumbai

Shailesh J Mehta School of Management, Indian Institute of Technology,
Bombay

Management Development Institute, Gurgaon

SP Jain Institute of Management and Research, Mumbai

Indian Institute of Technology, Kanpur

Rajiv Gandhi Indian Institute of Management, Shillong

Indian Institute of Foreign Trade, Delhi

Department of Management Studies, Indian Institute of Science, Bangalore

Indian Institute of Management, Rohtak

Jamnalal Bajaj Institute of Management Studies, Mumbai

Indian Institute of Management, Raipur

TA Pai Management Institute, Manipal

Great Lakes Institute of Management, Chennai

Institute of Management Technology, Ghaziabad

Indian Institute of Management, Tiruchirapalli

Indian Institute of Management, Ranchi

Xavier Institute of Management, Bhubaneswar

Institute for Financial Management and Research, Changambakkam