Krishna and Kanchan are varieties of

Krishna and Kanchan are varieties of Aonla.
Aonla is an important crop in Ayurveda, and fruits have the richest source of vitamin C.
Krishna (NA-5) is a seedling selection from Banarasi. The fruits are large, triangular and conical: skin is smooth, whitish green to apricot yellow with a red spot on the exposed portion. The flesh is pinkish green, less fibrous and highly astringent. It is an early maturing variety.
Kanchan is a chance seedling of Banarasi cultivar which bears moderately. Fruits are medium to large.