Mahashiva Ratri is the day on which Lord Shiva will be worshipped and it falls on Krishna Chaturdasi day. This falls in Magha and also few times in Falguna. Maha Shivaratri is also said to be celebrated on the day when Lord Shiva performed his Thandava Nritya . Srikalahasti is one such temple and it is also one of the 12 jyotirlingas and the devotees have thronged to the place to spend Maha Shivaratri . . . ..