Yes, you can extend the policy, he/she has to fill the renewal form using the link renew policy online
just 3 days before the expiry of the policy. Based on the filled renewal form, we will get the u/w approval for your renewal/extension within 2-3 business days.
For single trip travel guard insurance initially a traveler can buy for any number of days upto maximum of 180 days. Later on he/she can renew for any number of days upto maximum 90 days. But please note that sum total (first policy and subsequent renewals) of the duration of the policy should not exceed 270 days. There is no extension available after 270 days.