Welcome to Best Private Detective agency in Delhi, India

Diligent Spy Private Detective Agency in Delhi have years of experience. We are not here just to investigate but also to keep all detail about the clients confidential. Private Detective Agency in Delhi understand individual pain who is suffering from mental stress. Our personal investigation services include corporate, personal and matrimonial investigation all over India. Diligent Spy agency is India’s most wide information network with experts to handle it. Our Investigation services goal is to provide an answer to our clients in Delhi and work till the customer satisfaction is not achieved. Our customers all over India are not simply fulfilled but rather they feel great. Spy detective agency in Delhi also guarantees 100% security of customer’s privacy.

‘’Contact us at : 1800-274-4636 or Mob: +91 8384-032-094,,
Reach Us

Harsha City Mall, Indirapuram Ghaziabad - 201010

available from 8am to 5pm
Call Us

1800 274 4636

available from 8am to 8pm
Email Us


available from 8am to 8pm
Best Services of Diligent Spy Agency Services Pvt. Ltd.
Matrimonial & Domestic
Skip Tracing & Missing Persons
Surveillance & Covert
Background Checks
Employment Screening
Insurance Investigation
Spy Products
Debugging / Bug Sweeping / Hidden Camera Detection
Due Diligence Employee Misconduct & Workplace Theft
Tailored Services
Undercover Operations
Mobile Spy Software
Fraud Investigation

Detective Services Query

How we Operate