Introduced variety of watermelon is

Asahi Yamato, Sugar Baby and Improved shipper, all the given options have introduced a variety of watermelon.
Asahi Yamato released by IARI, New Delhi is a mid-season variety, of medium-sized fruits with an average fruit weight of 6 - 8 kg. The rind colour is light green with deep pink flesh; TSS 11 to 13%. The fruits ripen in 95 days.
Sugar Baby was released by IARI, New Delhi. The fruit is slightly small in size, round in shape having bluish black rind and deep pink flesh with small seeds. TSS 11 - 13%; average weight 3 - 5 kg. The fruits ripen in 85 days.
Improved Shipper introduced by PAU, Ludhiana. Fruits are large with a dark green rind, average fruit weight of 8 - 9 kg/ha, and moderately sweet with TSS 8 - 9%.