Market experts in India are urging investors to maintain composure during periods of market volatility, cautioning against making hasty decisions fueled by emotions like fear or greed. It is advised to adopt a long-term investment strategy, with a specific emphasis on large-cap stocks, given the present advantageous circumstances such as lower oil prices and US yields. Financial advisors are recommending that novice investors seek professional guidance to effectively steer through the ongoing market decline and refrain from engaging in panic-driven selling.