Durga Puja is for the worship of Goddess Durga. The puja happens during the September-October month of every year for 9 days. This festival is largely celebrated in western part of India, those are West Bengal, Assam, Orissa and Tripura. During puja, there is a declared five holiday in most of the schools, colleges and offices in the above said states.
It is our believe that, Mahishasura was the king of asuras, who was pleased Brahma in his strong meditation and get a boon that he can not be defeated in battle by any man or God. After getting this boon, he started terrifying in heaven. When the situation is pathetic in heaven and earth, then Maa Durga has created in the form of Shakti. Durga has been provided with all the powers by the devatas to fight successfully with Mahishasura. The bettel started one day after Mahalaya and it lasts for ten days. On tenth day Maa Durga killed Mahishasura. This was the day of Bijay for the heaven and earth from the devil power. Hence this day is also called as "Bijaya Dashami".
The Hindu mythology says on Diwali, Lord Ram retured Ayoudhya after 14 years of vanvas and killing Ravan. The people of Ayodhya celebrated this day by lighting candles and bursting crackers. This is consider as a day of succeed of good over evil. Diwali is the national festival in India. On this day people generally wear new clothes and exchange sweets, dry fruits and chocolates with friends and relatives.
In this day, people creat rangoli in front of their houses with different patterns. Rangoli is the symbol of invitation to guests and is a believe of good luck and happiness. In Diwali, people have a believe that cash, jewellery should not be given to others. This is the blessing of goddess Lakshmi, hence cash and jewelleries should not be given away rather they should come home.
Rath Yatra is a festival where Lord Jagannatha, Lord Balabhadra and Goddess Subhadra coming out of the Shree Mandir and go to Gundicha temple. This is a rule in Shree Mandir that, only Hindus are allowed to go inside the temple. In Rath Yatra, the God and Goddess are taken through the streets so that all the devotees can get the chance to see them.
Lord Jagannatha, Lord Balabhadra and Goddess Subhadra are been taken to Gundicha temple on three big Rath "carts" with beautifully decoratted with colorful clothes and flowers. All three Raths are been prepared without using iron nails. Lord Jagannath's card is the tallest cart among others, that is 13 metre. On the day of Rath Yatra all three carts are been spreaded with Ganga water and sweeped by the Puri Maharaja. Then after the God and Goddess bring to the Rath. The Rath is being pulled by thousands of devotees and moved towards Gundicha temple. The Gundicha temple is 2 km away from Srimandir. This day is also known as Gundicha Yatra. This is the believe that, pulling the Rath is making the path clear to go heaven. On their way to Gundicha temple, Lord Jagannatha, Lord Balabhadra and Goddess Subhadra stop for a while near Mausima Temple and have an offering of the Poda Pitha. This is a special type of recipes prepared and supposed to be the Lord's favourite. After a stay for seven days in Gundicha temple, the Lords returns to Srimandira. This day is called as Bahuda Yatra.
Holi is a festival colors and it comes during March/April. The Holi celebrates for five long days. The festival starts on Phalguna Poornima, this is also known as Dola Poornima. This is a big festival in Mathura. These days Lord Krishna and Radha in a decorated wooden temple which is carried on shoulders of the devotees (called Parikrama) from house to house and chants of devotional hymns.
In this festival people throw colors to each other. In Hindu mythology, it is believed that, Hiranyakashyap was killed by Lord Vishnu in the Avtaar of Narashimha. The festival is celebrates for the end of evil and the victory of goodness. it is also defined that Lord Krishna also playing colors on these days with gopis and his beloved Radha. Over a perion of time, this become a traditional festival.
In Holi, people go to their friends and relatives to apply colors on their faces and celebrate the happiness. Sweets and Bhang Sarwat is another attraction of the celebration.