A report on an Air India Phuket-Delhi service flagged multiple hydraulic-system messages along with indications involving an elevator computer and nose-gear or engine anti-ice systems.
Tata group stocks produced a mixed session as investors reassessed the implications of N Chandrasekaran's reported exit, with several shares recovering while Titan and Tata Investment Corporation lagged.
The Nifty faces an important resistance zone around 24,500, keeping traders focused on whether the index can sustain momentum above that level.
Venture-capital firm Accel has closed a $550 million India fund as it backs the next generation of founders building for the artificial-intelligence era.
N Chandrasekaran has reportedly discussed stepping down as chairman of Tata Sons ahead of the company's August 18 annual general meeting.
Tata Motors, Glenmark Pharma, IRCTC, Senco Gold and BEML are among the stocks likely to remain active during the trading session.
HDFC Securities has identified Tata Capital and Orient Electric as technical trading ideas for the day. The recommendations were shared by analyst Vinay Rajani.
Indian equity benchmarks traded under pressure, with the Sensex down about 300 points and the Nifty slipping below 24,400. The Nifty Realty index fell around 1 per cent.
Indian retail traders lost an estimated $9.6 billion in options trading despite regulatory measures aimed at reducing risk in the derivatives market.
Crude-oil prices moved higher as uncertainty over a possible US-Iran agreement revived concerns about global supply.