You can do MBA Degree after Bsc Zoology Degree. The MBA Program requires Graduation.

The Graduate Degree discipline does not matter for admission in MBA Program.

You are eligible for MBA Program. You should do MBA Degree in one of following specializations:

Finance
Marketing
Supply Chain Management
Human Resource Management
Information Technology
Operation Management
System etc.

You should try to take admission in one of these Colleges for MBA Program.

List of Best MBA Colleges in India:
Department of Management Studies, Indian Institute of Technology Delhi (IITD)
Management Development Institute (MDI), Gurgaon
XLRI Xavier School of Management, Jamshedpur
Department of Management Studies (DOMS), Indian Institute of Science Bangalore (IISc)
Indian Institute of Management Udaipur (IIMU)
Great Lakes Institute of Management, Chennai (PGDM Two-Year Programme)
Indian Institute of Management Lucknow (IIML)
Department of Industrial and Management Engineering (IME), Indian Institute of Technology Kanpur (IITK)
Indian Institute of Management Trichy
Narsee Monjee Institute of Management Studies, Bengaluru (NMIMS-B)
S. P. Jain Institute of Management & Research (SPJIMR), Mumbai
Indian Institute of Foreign Trade (IIFT), Kolkata
Narsee Monjee Institute of Management Studies (NMIMS), Mumbai
Faculty of Management Studies (FMS), University of Delhi, Delhi
Indian Institute of Management Calcutta (IIMC)
Symbiosis Institute of Business Management (SIBM), Pune
Department of Commerce,University of Delhi,Delhi School of Economics
Department of Management Studies (DOMS), Indian Institute of Technology Roorkee (IITR)
Sydenham Institute of Management Studies and Research and Entrepreneurship Education (SIMSREE), Mumbai
K. J. Somaiya Institute of Management Studies and Research (SIMSR), Mumbai
Symbiosis Centre for Management and Human Resource Development (SCMHRD), Pune
Indian Institute of Management Indore (IIMI)
MICA Ahmedabad
Indian Institute of Management Ranchi (IIMR)
Bharathidasan Institute of Management (BIM), Trichy
Xavier Institute of Management Bhubaneswar (XIMB)
Indian Institute of Management Kozhikode (IIMK)
Department of Financial Studies (DFS), University of Delhi, South Campus
Institute of Management Technology (IMT), Ghaziabad
Indian Institute of Management Rohtak (IIM-Ro)
Lal Bahadur Shastri Institute of Management (LBSIM), Delhi
Tata Institute of Social Sciences (TISS), Mumbai
National Institute of Industrial Engineering (NITIE), Mumbai
Goa Institute of Management (GIM), Panjim
Department of Management Studies (DoMS), Indian Institute of Technology Madras (IITM)
Indian Institute of Foreign Trade (IIFT), New Delhi
FORE School of Management, New Delhi
Indian Institute of Management Ahmedabad (IIMA)
Rajiv Gandhi Indian Institute of Management (RGIIM), Shillong
International Management Institute (IMI), New Delhi
Vinod Gupta School of Management (VGSOM), Indian Institute of Technology Kharagpur
Symbiosis Institute of Business Management, Bengaluru (SIBM-B)
Indian Institute of Management Raipur (IIM-Ra)
Indian Institute of Management Indore (IIMI), Mumbai campus
Indian Institute of Management Kashipur (IIM-Ka)
Shailesh J. Mehta School of Management (SJMSOM), Indian Institute of Technology Bombay (IITB)
T. A. Pai Management Institute (TAPMI), Manipal
Jamnalal Bajaj Institute of Management Studies Mumbai (JBIMS)
Institute of Rural Management Anand (IRMA)
Indian Institute of Management Bangalore (IIMB)