Detectives Agency In Bangalore Bangalore is a significant city in the Indian state of Karnataka. The greatest private detective agency in Bangalore, Karnataka, is Crime Investigation and Detective Bureau. We are the top provider of private investigators, investigation services, and spy services in Bangalore. The Crime Investigation and Detective Bureau in Bangalore, Karnataka, India, has a sizable network of spies and private investigators who offer a variety of services around-the-clock. The Crime Investigation and Detective Bureau in Bangalore, Karnataka, India, has an exceptional track record of successfully investigating and resolving a significant number of cases on both a personal and corporate level.