As you want , here I am telling list of some of the good MBA entrance exam tuition provider in Bangalore, as you said you are doing preparation of MBA entrance exam there .

ISC Indian School of Commerce, Vasanth Nagar
080436 91443
4th Floor, Lakshmi Narayan Complex, Vasanth Nagar, Bangalore - 560052 –

Elite IIT, Jaya Nagar 8th Block
080481 01106
No. 63, Durga Arcade, 1st Floor, 41st Cross, Jaya Nagar 8th Block, Bangalore – 560082

IMS Learning Resources Pvt. Ltd., Koramangala
080436 92602
No. 1, 3rd Floor, MIG 5th Block, 1st A Cross, Aarya Centre, Koramangala, Bangalore – 560095

The PUC Academy, Marathahalli
080480 67496
Marthahalli Main Road, M Thimma Reddy Complex, Marathahalli, Bangalore – 560037

Gate Indian Institute of Tutorials, J.P. Nagar
080480 66855
No. 1743, 3rd Floor, 17th Main, Corner Building, J.P. Nagar, Bangalore – 560078

Career Launcher India Pvt. Ltd., Jaya Nagar 3rd Block
080436 92198
Shubha Shree Mahendra Tower, 11th Main Road, Jaya Nagar 3rd Block, Bangalore – 560011

Career Launcher India Pvt. Ltd., MG Road
080481 01152
No. 301, 3rd Floor, Church Street, MG Road, Bangalore – 560001

Career Launcher India Pvt. Ltd., Koramangala 7th Block
080481 01155
No. 363, 3rd Floor, 1st Main, Koramangala 7th Block, Bangalore – 560095

Career Launcher India Pvt. Ltd., Marathahalli
080481 01156
No. 94/4, 1st Floor, Service Road, Marathahalli, Bangalore - 560037