Its advisable to have overseas mediclaim policy while travelling abroad, even if it's not a requirement to get an entry in that country, overseas Mediclaim policy will pay you all medical (hospitalisation) cost for accidental or illness hospitalisation. it also has persoanl accident cover attached to it.

All General Insurance company provide this insurance, but you perfer the one which has better availability in the country you are visiting, if you had written the name of country you will be visiting I would have given you some more details