Complex sentence: The campuses at Kolkata, Chennai, Delhi, Bangalore and Tezpur focus on teaching, and the institute has offices in seven other locations like Hyderabad, India engaging in consultancy in statistical process control and operations research.
Split into simpler sentences: The campuses at Kolkata, Chennai, Delhi, Bangalore and Tezpur focus on teaching. The institute also has offices in seven other locations like Hyderabad, India which provide consultancy services in statistical process control and operations research.