IBS Hyderabad and SRCC are both among the elite B Schools of the country with a high placement rate. Some of the major points of accentuate of both the B Schools are 

ISB Hyderabad 

• The batch size is around 900 students
• The B School has more than 30 clubs that assist in many areas like Corporate Relations Cell, Alumni Network, Management Development Programs, and Mentoring.
• The INS Hyderabad campus is visited by big names like TCS, Tata motors, JP Morgan, and CRISIL for placements.
• The recent statistics have revealed a fall in the placement ratio and very less commendable jobs. The institute has as a result lost its original charm and reputation.

SRCC GBO

• It has a big brand name as it functions on the same pattern IIFT, DSE(MBA-IB).
• The batch size is as small as 90 students only
• The faculties are one of the best in the country and are extremely cooperative and experienced.
• Various student-driven societies are responsible for different activities like Summits, fests, Events, Competitions, Quizzes, etc, and even educational trips for students.

A comparative table below shows the placement statistics of both the college's 

I think the above info is more than enough to make an informed decision.