Market veterans urge investors in India to stay composed during market fluctuations, steering clear of hasty decisions influenced by emotions like fear and greed. It is advised to adopt a long-term investment strategy, with a special emphasis on large-cap stocks, given the advantageous factors such as lower oil prices and US bond yields. Financial experts recommend that new investors should consider seeking professional advice to effectively maneuver through the ongoing market downturn and refrain from succumbing to panic selling.