New Shama Majun Chobchini. Rex Majun Chobchini is an Unani herbal drug preparation. It comes in semisolid form and it is used for blood disorder as well as in nerve pain. Indications of New Shama Majun Chbchini. It is helpful in relieving pain in the joints and body aches. Purifies blood. Prevent boils, pimples, and various skin diseases.