Lord Hanuman, a dedicated disciple of the Hindu Lord Rama, is worshipped all over the India by the Hindu people for his deep devotion to the god Rama. Hanuman Jayanti is celebrated on the 15th day of the Shukla Paksha, during the month of Chaitra (the Chaitra Pournimaa). Hanuman, who is also known as Vanara God, was born on this day and Hanuman Jayanti is celebrated to commemorate the birth of Lord Hanuman. Hanuman avatar is considered as the 11th Rudra manifestation of the Lord Siva with great devotion, strength, knowledge, divine power, bravery, intelligence, spirit for selfless service and etc. He has devoted his life only for his Lord Rama and Mata Sita and never shows his bravery and intelligence without any purpose. Hanuman Jayanti is an important festival of Hindus and widely celebrated all over India. Lord Varuna is another name given to Lord Hanuman.
Hanuman Jayanti is an occasion to remember Lord Hanuman's unbridled devotion to Lord Rama and his feats of daring. In the epic tale of Ramayana, the extraordinary role of Lord Hanuman, an exemplary devotee of Lord Rama, is very well detailed out in situations requiring strength, will-power and courage. Lord Hanuman is considered a symbol of power and energy. The line 'Bhoot Pisaach Nikat Nahi Aawe, Mahabir Jab Naam Sunave' mentioned in Hanuman Chalisa, symbolizes that Mahavira takes away all the negativity from the life of his devotees. It is believed that is a person is supposed to get rid of all negativity or ghosts; should worship Lord Hanuman.
There is a popular belief that worshiping Lord Hanuman will help in removing the hardship caused by Lord Shani or Saturn in astrology. When Lord Hanuman broke the boasting of Lord Shani then he apologized to Hanumanji and promised that he never ever create obstacles in Shri Ram and Hanuman work. To make Hanuman Jayanti, a fruitful day, you can visit Maruti's temple and worship the deity. As a part of the tradition, red tilak (vermilion mark) is applied on the forehead of Lord Hanuman idol and Ladoos (sweet) are offered.Some of the important puja rituals include offering red vermillion with ghee to the idol of Hanuman. People are seen observing fast (Vrat) on this day. Worshiping Rudra (Bajrangbali) with these rituals will bestow you with blessings and glory of Hanuman or Anjaneya on Hanuman Jayanti. Thus, he will always stand by his sincere devotees.