Thank you for your email. Buying the travel insurance on NRIOL is very simple. Below is the procedure where you can have a look at:
Procedure to Insurance Online
Once you complete the online application and make the payment, the policy will be issued and emailed to your mailing address. We also courier a hard copy of your policy document to your Indian mailing address if you request it.
You can get free quotes and buy the policy online at Travel Insurance Plans