BOSTON & MUMBAI, India--(BUSINESS WIRE)--TA Associates, a leading global growth private equity firm, and Argan (Mauritius), a company controlled by Indium V, today announced that they have signed a definitive agreement to invest approximately USD 500 million to acquire shares of Atria Convergence Technologies Pvt. Ltd. (ACT), a leading provider of high-speed broadband services in India. The transaction is expected to close subject to customary closing conditions, including the receipt of requir