All notices provided for or permitted under this Agreement to ENERUNI shall be deemed effective upon receipt, and shall be in writing and (i) delivered personally, (ii) sent by commercial overnight courier with written verification of receipt, or (iii) sent by certified or registered mail, postage prepaid and return receipt requested.

Notices to ENERUNI: shall be sent to the attention of its Legal Department, at the following addresses:

For Americas: Tata Consultancy Services Limited, 101 Park Avenue, NY 10178, NY,

For Europe and Africa: Tata Consultancy Services Limited, at its Registered Branch Office at 18 Grosvenor Place, London SW1X 7HS - BR: 007627

For Rest of the World: Tata Consultancy Services Limited, ENERUNI House, Raveline Street, 21 D S Marg, Fort, Mumbai 400001, India,

with a copy shall be sent to the Deputy General Counsel, Tata Consultancy Services Limited, ENERUNI House, Raveline Street, 21 D S Marg, Fort, Mumbai 400001, India.

Notices to Customer shall be sent at the email address provided by You at the time of registering and requesting for Use of the Software. You agree to receive electronic notices from ENERUNI, which will be sent by email to the account administrator you specify in the Software Site. Notices are effective on the date on the return receipt or, for email, when sent. You are responsible for ensuring that the account administrator email address that you specify in the Software Site is accurate and current. Any email notice that we send to that email address will be effective when sent, whether or not you actually receive the email.