For the availability in North Lakhimpur, we would suggest you walk into the nearest dealership as they will be the better person to assist you because it depends on their stock book - Renault Showroom.
The Renault Triber offers a boot space capacity of 625 liters with the third-row seats folded (5-seater configuration). In the 7-seater configuration, the boot space is 84 liters.