• By addressing the letter/e-mail directly to the CVO, HCL along with specific facts of the matter relating to corruption. The details of the email ID is given below. Complaints sent on email should contain postal address (mobile / telephone number, if any) of the sender. Complaints on email received without this information will be treated as anonymous / pseudonymous and filed.

• The complaint can also be raised by addressing the letter of complaint along with supportive documents to CVO, HCL. The complaint may be addressed to
  Chief Vigilance Officer, TAMRA Bhawan, 1, Ashutosh Chowdhury
  Avenue, Kolkata State: West Bengal
  Pin-700019, Phone no. : 033-2202 1009.
• The complaint can also be raised by dropping the complaint along with the supportive documents in the drop box present at the premises of HCL corporate office.
• By addressing the letter directly to the Vigilance Departments at Khetri Copper Complex, Khetrinagar (Rajasthan), Malanjhkhand Copper project Malanjkhand (Madhya Pradesh), Indian Copper complex, Ghatshila (Jharkhand) and Taloja Copper project, Taloja (Maharashtra

• Complainant can lodge complaint online using the provided link (https://www.hindustancopper.com/Vigilance/complaint)

• Citizens can lodge a complaint or provide information in the form of PIDPI/ Whistle Blower mechanism by superscribing on the complaint letter of the envelope “Complaint under The Public Interest Disclosure” without being worried of any harassment. Under this mechanism, the identity of the complainant or informer is kept confidential.

• The Secretary
  Central Vigilance commission
  Satarkta Bhawan, Block-A
  GPO Complex, INA
  New Delhi
  110-023