Sun Pharmaceutical Industries said on Friday that it would be discontinuing operations at research and development centres in Vaodara - Tandalja and Akota. The company has also laid off some employees working at the two units. It, however, did not disclose the exact number. Market sources peg the number at 85 personnel who have been terminated and given three months salary in advance. A Sun Pharma spokesperson said, "While we continue to make investments in our R&D operations, we also constantly evaluate our resources and future capacity requirements to bring in efficiencies in cost and processes. To ensure optimal utilisation