It is an ancient Hindu religious festival which starts with a Holika bonfire on the night before Holi where people gather, sing and dance.
Wiki : Holi (pronunciation: /ˈhoʊliː/; Sanskrit: होली Holī) is a Hindu spring festival celebrated in India and Nepal, also known as the "festival of colours" or the "festival of love".The festival signifies the victory of good over evil, the arrival of spring, end of winter, and for many a festive day to meet others, play and laugh, forget and forgive, and repair broken relationships. It is also celebrated as a thanksgiving for a good harvest. It lasts for a night and a day, starting on the evening of the Purnima (Full Moon day) falling in the Vikram Samvat Hindu Calendar month of Phalgun, which falls somewhere between the end of February and the middle of March in the Gregorian calendar. The first evening is known as Holika Dahan or Chhoti Holi and the following day as Holi, Rangwali Holi, Dhuleti, Dhulandi, or Phagwah.
Holi is an ancient Hindu religious festival which has become popular with non-Hindus in many parts of South Asia, as well as people of other communities outside Asia. In recent years the festival has spread to parts of Europe and North America as a spring celebration of love, frolic, and colours.
Become acquainted with, share, love, eat, and pray during this spiritually uplifting 4.5-hour small-group tour. Experience the food culture of the 4 most practiced religions in India and discover what makes it the largest melting pot of humankind. With your guide, visit a Hindu temple, a Sikh gurudwara, a Catholic church, and a Mosque while trying foods from each of these religions. This tour is a combination of both walking and driving.
Make your way over to Gole Market and meet your guide at 10 am. The tour begins with a quintessentially Delhi breakfast at an iconic food joint local Delhiites swear by. From here you will be driven to visit a Catholic Church and a Gurudwara (Sikh place of worship). After spending some time at these holy places, your driver will be waiting to transport you to your next destination. During this time you will sample sweet offerings made in a temple, lip smacking street food, and traditional delicacies as well as learn some history and gain a general overview of different religions in India. Take a break for lunch and then continue on to visit a Mosque and a Temple. After visiting all four religious sites, which are a within a distance of 2 km from each other, you will have ample free time for shopping and for photography. The tour ends at approximately 2:30 pm at Baba Kharak Singh Marg.