15 -August Independence Day
Independence Day, observed annually on 15 August, is a National Holiday in India commemorating the nation's independence from the British Empire on 15 August 1947. India attained independence following an Independence Movement noted for largely nonviolent resistance and civil disobedience led by the mahatma Gandhi and Indian National Congress (INC). Independence day coincided with the partition of India, in which the British Indian Empire was divided along religious lines into the Dominions of India and Pakistan
18-August Parsi New Year
Although the Parsi New Year originated in Persia, many people in India celebrate it as well. Worldwide, people commemorate the holiday on the first day of the Zoroastrian calendar’s first month. This falls on March 21st. In India, on the other hand, people follow the Shahanshahi calendar, which means the New Year celebration happens in the later months of the year. This changes every year since the calendar doesn’t account for leap years.
This is also known as Jamshed Navroz.
Onam, is a regional festival celebrated by the people of Kerala, India. It is also the state festival of Kerala with State holidays on 4 days starting from Onam Eve (Uthradom) to the 3rd Onam Day.
The festival falls during the Malayalam month of Chingam (Aug - Sep) and marks the commemoration of Vamana avatara of Vishnu and the subsequent homecoming of the mythical King Mahabali whom Malayalees consider as their King. In Kerala, it is the festival celebrated with most number of cultural elements such as Vallam Kali, Pulikali, Pookkalam, Onathappan, Thumbi Thullal, Onavillu, Kazhchakkula, Onapottan, Atthachamayam etc.
29-August Raksha Bandhan (Rakhi)
Raksha Bandhan is a Hindu festival that celebrates the love and duty between brothers and sisters; the festival is also popularly used to celebrate any brother-sister like relationship between men and women who are relatives or biologically unrelated. It is called Rakhi Purnima, or simply Rakhi, in many parts of India. The festival is observed by Hindus, Jains, many Sikhs and the rest.