Navagraha: It is a temple of nine planets and is situated in the east of Guwahati on the top of Chitrasal hill. In ancient times, it was said to have been a great centre of study of astronomy and astro-logy. This is also one of the reasons Navagraha Temple why Guwahati is referred to as the Pragjyotishpura or the city of Eastern Astrology..