JORHAT, Jan 20: Troops from 119 battalion of the Central Reserve Police (CRPF) based at Rowriah cleaned the historic Bolia Gohain Pukhuri (tank) in Jorhat city before Me-dam-Me-Phe which will be observed on January 31, said Kumar Kishore Burahgohain, the secretary of the Bolia Gohain Pukhuri Sangrangshan Samiti here on Saturday.