What is Kala Amritsari and it belongs to which cultivar?

Kala Amritsari is the cultivar of plum. It is self-fruitful high yielding local cultivar. The trees are vigorous with profuse branching. This is most preferred cultivar of plains. Fruits are of medium size, round oblate depressed at both ends. The epicarp (skin) on ripening turn dark purple. The mesocarp (flesh) is yellow in colour with juicy pulp. Fruits are little acidic in taste. The TSS of juice ranges between 13 to 15 percent and acidity l. D-1.3. percent. Fruit ripens in second half of May. Average yield about 55 kg per trees. Its fruits are preferred for making Jam and squash.