Dev Swarup Shastri is an Indian Vedic astrologer and teacher whose work centers on Nadi astrology, Prashna Jyotish, Muhurta, Vastu, and related remedial systems within the broader field of Vedic sciences. His public profiles also describe work in numerology and vastu-based guidance, and he is active through consultations, courses, books, and digital media. Publicly available profiles consistently connect him with Agra, Uttar Pradesh, and with online educational and consultation platforms linked to his work.