DHEKIAJULI, March 29: Hectic preparation is on to celebrate Rongali Bihu at the Swahid gari, Dhekiajuli. Rongali Bihu will be celebrated in district at the Swahid Maidan, Dhekiajuli under the aegis of the central Bihu committee, Dhekiajuli with a five-day long programme which will begin on April 15 and conclude on April 19.