Effective Monday, November 20th, 2000, Sterlite Optical Technologies Ltd. (Scrip Code 32374) and Gesco Corporation Ltd. (Scrip Code 32313) would be included in BSE-500 index due to vacancies created on account of amalgamation of Andhra Valley Power Supply Co. Ltd. (Scrip Code 61) and Tata Hydro Electric Power Supply Ltd. (Scrip Code 409) with Tata Power Company Ltd.

Dr. Manoj Vaish
CEO-Derivatives

17th November 2000