Dussehra

Dashahara is a festival celebrated in various forms across India, Bangladesh and Nepal. This is also called Dasara, Vijayadashami, Navaratri and Durgotsav

Dussehra is celebrated on the tenth day of the Hindu autumn lunar month of Ashvins, or Ashwayuja which falls in September or October of the Western calendar, the Shukla paksha Pratipada, or the day after the new moon falls in Bhadrapada, the Dashami or the tenth day of Ashvins. This is the highlight of the annual 10-day Navaratri festival. This is the biggest festival in Nepal, and celebrated by Hindus and non-Hindu Nepalis.

In India harvest season begins at this time and so the Mother Goddess invoked to start the new harvest season and activate the power and fertility. In Bangladesh there is a five-day festival and is celebrated in mandaps. On the day of Dasha-Hara, the clay statues of Goddess Durga immersed in rivers. The main festival is held in Dhakeshwari temples and Ramkrishna mission in Dhaka. This is done through religious beliefs and rituals that are intended to invoke cosmic forces that rejuvenate the soil. The Pooja is performed with turmeric and other Pooja, who added to the river to help the water for better crops.

Dasha-Hara is the festival of victory of good over evil. Buses, trucks and machines in factories are furnished. Dasha-Hara is Vishwakarma Divas - the National Labour Day of India. Veda Vyasa is considered the main guru and Vijayadashami is also celebrated as Vyasa puja. Shastra Pooja or worship of the weapons Shastra   Astra used by the goddess Durga is worshiped on this day.

Victory of Prabhu Ramachandra over Ravana

On this day in the Treta Yug, Rama, also known as Shri Ram, the seventh incarnation of Vishnu, killed the great demon Ravana who had abducted Rama's wife Sita to his kingdom of Lanka. Rama, his brother Lakshman, follower Hanuman, and their small army of monkeys fought a great battle to rescue Sita. The whole story is recorded in the epic Ramayana, a Hindu scripture.
Burning Ravan  video

Victory of Durga Mata over Mahishasur

Some of the demons or asuras, were very powerful and ambitious, and constantly tried to conquer the devas or Gods, and capture the Heaven. A Asura, Mahishasur, in the form of a buffalo, was very strong and created havoc on earth. Under his leadership, the Asuras defeated the devas. The world was crushed under the tyranny of Mahishasura, the devas ended their energy in Shakti, a single mass of incandescent energy, to kill Mahishasur.

A very powerful band of lightning out of the mouths of Brahma, Vishnu and Shiva and a young, beautiful virgin female with ten hands showed up. All the gods gave their special weapons for her. This Shakti cloud to form the goddess Durga. Riding on a lion, who helped her, fought Durga Mahishasur. The battle raged for nine days and nights. Finally on the tenth day of Ashvin Shukla paksha Mahishasur was defeated and killed by Durga.