Shravan Purnima (Sravana Pournami or Sawan Purnima or Rakhi Purnima) is the full moon day in Shravan month. In 2011, Shravan Purnima date is August 13. Number of auspicious rituals, pujas, and vratas are performed on this festival. Rakshabandhan or Rakhi is the major ritual celebrated on Shravan Purnima throughout India.
Hayagriva Jayanti is observed on Shravan Purnima. To honor Lord Hayagriva, the protector of Vedas, changing of sacred thread is also performed on this day by particular sect of Brahmins. It is termed as Yajurveda Avani Avittam or Yajur Upakarma in Tamil Nadu, Jandhyala Purnima or Yagnopaveetha Punnami in Andhra Pradesh, and Janeyu Purnima or Janvar Poornima in Karnataka.
In North Indian states like Rajasthan, Madhya Pradesh, and Uttar Pradesh, Shravan Purnima is also celebrated as Kajari Purnima. Huge Melas or fairs are held during this festival. In many places of North India Shravan Purnima is also known as Shravani or Sravani festival.
People in Maharashtra and Konkan regions of Goa celebrate Shravan Purnima as Narial Purnima or Narali Purnima. Puja offerings are made to Sea God on this day. In Gujarat, this festival is also known as Akshar Purnima.