Mahashivaratri, astronomically speaking

  Rajesh Kochhar There is a difference between Shivaratri and Mahashivaratri. There are in fact 12 Shivaratris, one of which is designated Maha for a specific reason. Moon becomes invisible…

Science behind Indian festivals

Chief guest’s address delivered at Pushpa Gujral Science City, Kapurthala   on National  Science Day, 28 February 2009   Science behind Indian festivals   Rajesh Kochhar CSIR Emeritus Scientist Indian…