More than 4000 accessions of various tuber crops ( 1669 Cassava, 1032 Sweet potato, 602 Aroids, 701 Yams and 186 Minor tuber crops) are maintained and evaluated in the field gene bank. Through tissue culture 830 Cassava, 204 Sweet potato, 99 Yams, 20 Dioscorea spp 5 Coleus and 2 Colocasia accessions are maintained.