Image credit: religionworld.in According to the Hindu calendar, this is the beginning of the holy month of shravan. The month is dedicated to Lord Shiva, who is worshipped in the form of a lingam. There are numerous Shiva temples across the country, some of them are centuries old and very famous. Among these, the twelve Jyotirlingas are considered the holiest. The Jyotirlingas are said to have self- manifested ‘swayambhoo’ on earth.