As you have asked about the top B Schools (Business Schools) in Bangalore, I am mentioning them, check below for the details


Indian Institute of Management, Bangalore
Indian Institute of Science, Bangalore
TA Pai Management Institute, Manipal
Xavier Institute of Management and Entrepreneurship, Bangalore
Institute of Finance and International Management, Bangalore
Alliance School of Business, Bangalore
Kirloskar Institute of Advanced Management Studies, Harihar
MS Ramaiah Institute of Management, Bangalore
Shri Dharmasthala Manjunatheshwara Institute for Management Development, Mysore
Acharya Institute of Management and Sciences, Bangalore
PES University, Bangalore
Prin. LN Welingkar Institute of Management Development and Research, Bangalore
Acharya Institute of Technology, Bangalore
Acharya Bangalore B-School, Bangalore
Justice KS Hegde Institute of Management, Udupi
Presidency College, Bangalore
Indus Business Academy, Bangalore
The Oxford College of Engineering, Bangalore
Don Bosco Institute of Technology, Bangalore
Siddaganga Institute of Technology, Tumkur
Institute for Technology and Management, Bangalore
IBS Business School, Bangalore
Bapuji Institute of Engineering and Technology, Davangere

Acharya School of Management, Bangalore
Adarsh Institute of Management and Information Technology, Bangalore
Adichunchanagiri Institute of Technology, Chikmagalur
Aditya Institute of Management Studies and Research, Bangalore
Advanced Management College , Banglore
AJ Institute of Management, Mangalore
Al Ameen Institute of Management Studies, Bangalore
Alliance Ascent College, Bangalore
Alliance University, Bangalore
Allum Karibasappa Institue of Management, Bellary
Alva's Institute of Engineering and Technology, Mangalore
AMC Engineering College, Bangalore
Amrita School of Business, Bangalore
Amruta Institute of Engineering and Management Sciences, Bangalore
Angadi Institute of Technology and Management, Belgaum
Anjuman Institute of Technology and Management, Bhatkal
Annapoorna Institute of Management Research, Belgaum
Atria Institute of Technology, Bangalore
Bangalore Institute Of Management Studies, Bangalore
Bangalore Management Academy, Bangalore
Bapuji Academy of Management and Research, Davanagere
Baroda Manipal School of Banking, Bangalore
Belgaum Institute of Management Studies, Belgaum
Bengaluru School of Management Studies, Bengaluru
BGS Institute of Technology, Mandya
Bharatesh Education Society's Global Business School, Belgaum
Bhavan SIET Institute of Management, Bangalore
Bhavan’s Priyamvada Birla Institute of Management, Mysore
Bheemanna Khandre Institute of Technology, Bhalki
BLDEA's VP Dr PG Halakatti College of Engineering and Technology, Bijapur
BN Bahadur Institute of Management Studies, Mysore
Brindavan College of Engineering, Bangalore
Brindavan College, Bangalore
BTL Institute of Technology and Management, Bangalore
Cambridge Institute of Technology, Bangalore
Canara Bank School of Management Studies, Bangalore
Channabasaveshwara Institute of Technology, Tumkur
City College, Bangalore
City Engineering College, Bangalore
CMR Institute of Management studies, Bangalore
CMR Center for Business Studies, Bangalore
CNK Reddy College of Business Management, Bangalore
Community Institute of Management Studies, Bangalore
Davangere University, Davangere
Dayanand Sagar College of Arts Science and Commerce, Bangalore
Dayanand Sagar College of Management and Information Technology, Bangalore
Dayananda Sagar Academy of Technology and Management, Bangalore
Dayananda Sagar Business School, Bangalore
Dayananda Sagar College of Art Science and Commerce
Dayananda Sagar University, Bangalore
Department of Management Studies, Indian Institute of Science, Bangalore
Doddappa Appa Institute of Master of Business Administration, Gulbarga
Don Bosco Institute of Bio Science and Management Studies, Bangalore
Dr D Veerendra Heggade Institute of Management Studies and Research, Dharwad
East Point College of Engineering Technology, Bangalore
East Point College of Higher Education, Bangalore
East West Institute of Technology, Bangalore
GEMS B School, Bengaluru
Girijabai Sail Institute of Technology, Karwar
Global Academy of Technology, Bangalore
Global Business School, Hubli
Global Institute of Management Sciences, Bangalore
GM Institute of Technology, Davangere
Gopalan College of Engineering and Management, Bangalore
Govt. Ramanarayana Chellaram College of Commerce and Management, Bangalore
GT Institute of Management Studies and Research, Bangalore
Haranahalli Ramaswamy Institute of Higher Education, Hassan
Hillside Academy of Management, Bangalore
HKBK College of Engineering, Bangalore
HMS Institute of Technology, Tumkur
IFIM College, Bangalore
Impact College of Engineering and Applied Sciences, Bangalore
Indian Academy School of Management Studies, Bangalore
Indian Institute of Materials Management, Bangalore
Indian Institute of Plantation Management, Bangalore
Institute of Business Management and Research, Bangalore
Institute of Business Management and Technology, Bangalore
Institute of Excellence in Management Science, Hubli
Institute of Health Management Research, Bangalore
Institute of Product Leadership, Bangalore
International Academy of Management and Entrepreneurship, Bangalore
International School of Management Excellence, Bangalore
ISBR Business School, Bangalore
Jain College of Engineering, Belagaum
Jain Institute of Technology, Davangere
Jawaharlal Nehru National College of Engineering, Shimoga
Jnana Vikas Institute of Technology, Bangalore
Kalpataru Institute of Technology, Tumkur
Karnataka College of Management, Bangalore
Karnataka Janapada Vishwavidyalaya, Shiggavi
Karnataka State Womens University, Bijapur
Karnataka Veterinary, Animal and Fisheries Sciences University, Bidar
KKECS Institute of Management, Banaglore
KLE Dr. MS Sheshgiri College of Engineering and Technology, Belgaum
KLES Institute of Management and Studies and Research, Hubli
KLS Institute of Management Education and Research, Belgaum
Kousali Institute of Management Studies, Dharwad
Kristu Jayanti College of Management and Technology, Bangalore
Krupanidhi School of Management, Bangalore
KS School of Engineering and Management, Bangalore
KVG College of Engineering, Sullia
Lingarajappa Engineering College, Bidar
Lorven College of Science and Management, Bangalore
M P Birla Institute of Management, Bengaluru
Maharanis Arts Commerce and Management College for Women, Bangalore
Maharishi Institute of Management, Bangalore
MATS Institute of Management and Entrepreurship , Bangalore
Moodlakatte Institute of Technology, Kundapura
Mount Carmel Institute of Management, Bangalore
MS Engineering College, Bangalore
MS Ramaiah University of Applied Sciences, Bangalore
MSNM Besant Institute of PG Management Studies, Mangalore
Myra School of Business, Mysore
Nagarjuna College of Engineering and Technology, Bangalore
Nandi Institute of Technology and Management Sciences, Bangalore
Narsee Monjee Institute of Management Studies, Bangalore
National School of Business, Bangalore
NITTE School of Management, Bangalore
NMKRV College for Women, Bengaluru
Oxbridge Group of Institutions, Bangalore
Padmashree Institute of Management and Sciences, Bangalore
People Tree Education Society, Belgaum
PES Institute of Technology and Management, Shimoga
PES Institute of Technology, Bangalore South Campus, Bangalore
PNS Institute of Technology, Bangalore
Poornaprajna Institute of Management, Udupi
Prasanna College of Engineering and Technology, Ujire
Presidency University, Bangalore
Rajeev Institute of Technology, Hassan
Rajiv Gandhi Institute of Technology, Bangalore
Ramaiah Institute of Management Studies Sciences, Bangalore
Rani Channamma University, Belagavi
Rani Parvati Devi College of Arts and Commerce, Belagavi
Rao Bahadur Y Mahabaleshwarappa Engineering College, Bellary
Reva University, Bangalore
RJS Institute of Management Studies, Bangalore
RR Institute of Advanced Studies, Bangalore
RS College, Bangalore
RV Institute of Management, Bangalore
Sambhram Academy of Management Studies, Bangalore
Sambhram Institute of Technology, Bangalore
Sampoorna Institute of Management Studies, Bangalore
SDM Post Graduate Centre for Management Studies and Research, Mangalore
SEA College of Engineering and Technology, Bangalore
SECAB Institute of Engineering and Technology, Bijapur
Seshadripuram Institute of Management Studies, Bengaluru
Shree Devi Institute of Technology, Mangalore
Shushruti Institute of Management Studies, Bangalore
SJC Institute of Technology, Chickballapur
SJES College of Management Studies, Bangalore
Soundarya Institute of Management and Science, Bangalore
Sri Gokula College of Arts Science and Management Studies, Kolar
Sri Siddhartha Institute of Management Studies, Tumkur
Sri Venkateshwara College of Engineering, Bangalore
Srinivas Institute of Management Studies, Mangalore
Srinivas Institute of Technology, Mangalore
Srinivas School of Management, Mukka
St George College of Management Science and Nursing, Bangalore
St Joseph Engineering College, Mangalore
St. Aloysius College Autonomous, Mangaluru
St. Aloysius Institute of Management and Information Technology, Mangalore
St. Joseph's College of Business Administration, Bangalore
Sunstone Business School, Bangalore
Surana College Centre for Post Graduate Studies, Bangalore
Symbiosis Institute of Business Management, Bengaluru
Symbiosis School of Media and Communication, Bangalore
T John College, Bangalore
T John Institute of Management and Science, Bangalore
T John Institute of Technology, Bangalore
The Oxford College of Business Management, Bangalore
Tumkur University, Tumkur
United Mission Degree College, Bangalore
Vanguard Business School, Bangalore
Veerappa Nisty Engineering College, Gulbarga
Vidya Vikas Institute of Engineering and Technology, Mysore
Vijayanagara Sri Krishnadevaraya University, Bellary
Visvesvaraya Technological University, Belgaum
Vivekananda College of Engineering and Technology, Puttur
Vivekananda Institute of Technology, Bangalore