Market experts in India are urging investors to stay composed during market fluctuations and refrain from making hasty decisions motivated 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 conducive environment characterized by lower oil prices and US yields. Financial advisors are encouraging novice investors to seek professional assistance to effectively maneuver through the ongoing market slump and deter from engaging in panic selling.