Tata Consultancy Services (TCS) will invest up to ₹18,000 crore in its wholly-owned subsidiary, HyperVault, to build AI-ready data centers with over 1 GW capacity. TPG Terabyte Bidco will invest up to ₹8,820 crore in HyperVault, establishing a 51:49 joint venture where TCS retains board control. Brokerages like JPMorgan and Morgan Stanley maintain 'Overweight' ratings on TCS, seeing the PE investment as validation of HyperVault's long-term potential.