Raghavendra Swamy Aradhana or Guru Raghavendra Aradhanotsavam is the major festival celebrated in Mantralayalam and many other temples dedicated to Shri Guru Raghavendra Swamy. Raghavendra Aradhana in 2010 is the 339th annual celebrations of Mahotsavam of Raghavendra swami. Raghavendra Aradhana 2010 begins on 25th August and ends on 27th August 2010. The dates may vary based on the place and the Matha of Raghavendra swamy.
In 2010, Raghavendra Aradhana begins on 25th August with Purva Aradhana mahotsavam. Madhya Aradhana is on 26th August and the celebrations of Aradhanotsavam end with Uttara Aradhana on August 27th.