Health Insurance is must to have cover for everyone but the complexities of the product are good enough to give headache to even Einstein of our time. Most of you will be having group health insurance from your employer but let me tell you there are n number of limitations in such polices. To avoid any rude shock read terms & conditions of your policy.
This infographics may help you to understand the common terms that you will find in the health insurance policy document (some time in small font) or the product presentation circulated by your employer. If you would like to ask something specific, feel free to add your question in comment section.