The authorship of the Hanuman Chalisa is attributed to Tulsidas, a poet-saint who lived in the 16th century CE. He says in the last stanza of the Chalisa that whoever chants it with full devotion to Hanuman, will have Hanuman's grace. Amongst the Hindus Worldwide, it is a very popular belief that chanting the Hanuman Chalisa invokes Hanuman's divine intervention in grave problems, including those concerning evil spirits.
Ganesh Chaturthi, also known as Vinayaka Chaturthi is a Hindu festival celebrating the birth of Ganesha. A ten-day festival, it starts on the fourth day of Hindu Lunisolar calendar month Bhadrapada, which typically falls in the months of August or September of the Gregorian calendar. The festival is marked with the installation of Ganesha clay idols privately in homes, or publicly on elaborate pandals (temporary stages). Observations include chanting of Vedic hymns and Hindu texts such as Ganapati Upanishad, prayers and vrata (fasting). Offerings and prasadam from the daily prayers, that is distributed from the pandal to the community, include sweets such as modaka believed to be a favorite of Lord Ganesh. The festival ends on the tenth day after start, where the idol is carried in a public procession with music and group chanting, then immersed in a nearby body of water such as a river or ocean. In Mumbai alone, around 150,000 statues are immersed annually, thereafter the clay idol dissolves and Ganesha is believed to return to Mount Kailash to Parvati and Shiva