N Chandrasekaran, chairman of the Tata Group, on Monday called the allegations of sexual harassment at TCS, Nashik, “gravely concerning and anguishing”.“The complaints and allegations emerging from the Nashik branch of Tata Consultancy Services have been gravely concerning and anguishing,” he said.He announced that TCS chief operating officer Arathi Subramanian was conducting an in-depth probe to find out the facts and identify those accountable for the incident.Eight women employees of TCS, Nashik, had accused seniors of forced religious conversion and sexual harassment.“This incident is being treated with utmost seriousness. Action has already been initiated against the accused employees and the company is extending its full cooperation to the ongoing investigations,” said Chandrasekaran.Last week, a special investigation team probed the complaints filed by eight employees, who claimed that senior colleagues mentally and sexually harassed them and the human resources department turned a deaf ear to their complaints. The police have arrested seven people, including the woman HR manager.