"The seizure of the bombs has no connection with the President's visit," police added.
Police said bomb disposal and dog squads were deployed after the handmade bombs were seized from a barber shop at Chandrapur in Gomati District in south Tripura.
"Shopowner Jatan Shil has been detained. He is being interrogated by senior police and intelligence officials," police added.
Two Indian Air Force helicopters carrying Kovind, his wife Savita Kovind, Tripura Governor Tathagata Roy, Chief Minister Biplab Kumar Deb and other officials had landed 3 km away in the morning.
The President is on his maiden visit to Tripura after assuming office.
(This story has not been edited by Social News XYZ staff and is auto-generated from a syndicated feed.)
