The Indian stock market on January 12, 2026, is set to witness significant activity driven by key corporate announcements and quarterly earnings. Several major companies are highlighted as 'stocks to watch' due to recent developments. Tata Consultancy Services (TCS) and HCL Technologies are scheduled to release their Q3 FY26 financial results after market hours, with their respective boards also considering interim dividends. Analysts are closely monitoring their performance for insights into revenue growth, margin expansion, and outlook on IT spending trends and AI projects. Indian Renewable Energy Development Agency (IREDA) will be in focus following its strong Q3 FY26 results announced on January 11, 2026. The company reported a substantial year-on-year increase in net profit (37-38%) and revenue (25-38%), alongside improved asset quality and loan disbursements, underscoring its commitment to India's renewable energy transition. Reliance Industries Limited (RIL) is also a prominent stock to watch. Its chairman, Mukesh Ambani, announced a massive ₹7 lakh crore investment in Gujarat over the next five years, targeting clean energy, AI-ready data centers, and digital inclusion at the Vibrant Gujarat Regional Conference. Concurrently, reports indicate RIL has paused plans for lithium-ion battery cell manufacturing in India due to technology transfer challenges. Avenue Supermarts (DMart) has reported robust Q3 FY26 results, showcasing an 18.3% year-on-year growth in consolidated net profit and a 13.3% rise in revenue. This strong financial performance coincides with the announcement of its Managing Director and CEO, Ignatius Navil Noronha, stepping down at the end of January. NTPC is drawing attention due to its strategic moves, including signing a shareholder agreement with MAHAGENCO to acquire Sinnar Thermal Power Limited, a deal valued at approximately ₹3,800 crore, to bolster its power generation capacity. Additionally, NTPC plans a ₹10,000 crore investment for a coal-to-synthetic natural gas facility in Chhattisgarh and NTPC Green Energy has invited bids for a 6 MW floating solar project with a 24 MWh BESS, with the last date for bids being January 12, 2026. Lastly, Tejas Networks will be closely watched after reporting its second consecutive quarterly consolidated net loss of ₹196.55 crore for Q3 FY26. The company experienced an 88% plunge in revenue, primarily attributed to lower sales and the deferment of a significant purchase order from state-owned BSNL. GTPL Hathway is also slated to announce its Q3 FY26 results today.