"Irdai prohibits policy denial for pre-existing conditions, but it does allow for up to a four-year waiting period for pre-existing illness and policy premiums based on past diseases. So, insurers use these provisions to impose cost on applicants to compensate for the increased possibility of frequent claims by using their policy underwriting process," says Abhishek Kumar, a Securities and Exchange Board of India (Sebi)-registered investment advisor (RIA), and founder and chief investment advisor of SahajMoney, a financial planning firm. However, in 2024, Irdai reduced the waiting period for specific diseases from four years to three years.