Tajika Neelakanthi is a treatise on the predictive part of Hindu astrology written in Sanskrit Slokas by the celebrated authority on Tajika shastra, Neelakantha, son of Ananta Deva, on the basis of many earlier works of Samar Singh and others. He completed this work in the year 1509 Saka or 1587 A.D. Neelakantha also wrote Prasna Tantra, a treatise on Horary astrology based on the Tajika Shastra.