HYDERABAD, India--(BUSINESS WIRE)--June 23, 2006--Dr. Reddy’s Laboratories (NYSE:RDY - News) today announced that it has launched the authorized generic version of Merck’s Proscar® tablets 5mg (finasteride) on June 19, 2006. The Company has also launched the authorized generic version of Merck’s Zocor® tablets (simvastatin) 5mg, 10mg, 20mg, 40mg and 80mg on June 23, 2006.