MPS Trust Thiruvananthapuram (CBH) is a cultural trust based in Kerala that publishes authoritative works on Indian astrology. The Trust produced "Encyclopaedia of Indian Astrology (In Two Volumes)" by Prof. N.E. Muthuswamy (1925–2005), a landmark two-volume reference covering all major branches of Indian jyotisha including stellar astrology, muhurtha, and prasna.