In a regulatory filing Wednesday, Tejas said it has executed a master contract for supply, support and annual maintenance services of its telecom equipment for BSNL's pan-India 4G/5G network with Tata Consultancy Services (TCS). "As a part of this contract, the company received a purchase order from TCS for ₹7,492 crore (approx. $900 million) to supply its latest 4G/5G RAN equipment for approximately 100,000 sites," the Bengaluru-based gear maker said in the filing. The contract will be executed during the calendar years 2023 and 2024.