As East is largely dominated by the Hindus, the festivals celebrated here are quite common to the festivals celebrated in the rest of India. In addition to this, there are many festivals unique to East India.
There are numerous festivals celebrated through out the year in East India with great pomp and show.

The main festivals of East India are the Durga Puja (at the time of Dussehra), Karchi Puja, Diwali, Dol Jatra (Holi), Pous Sankranti, Ashokashtmi and Buddha Jayanti, Id, Christmas and New Year. The Garia, Ker Ganga and Gajan festivals are important tribal festivities. During Ashokashtmi there are special celebrations at Unnakoti. The Fourteen Goddess Temple in Old Agartala attracts a lot of visitors for its Karchi Puja, and so does Tirthamukh on the occasion of the Pous Sankranti Mela. Other festivals are the Rabindra/Nazrul Festival in May, the Boat Race at Melaghar in August, the Orange and Tourism festival in the Jampui Hill range in November.

Some of the Festival Celebrated in East India are :

Durga Puja
This festival is the most important festival of the Bengalis. It is celebrated through out the state, at the time of Dussehra in the month of September or October.

Kharchi Puja
The Goddess are worshiped every year in the month of July for seven days which is popularly known as Kharchi Puja Large number of pilgrims both tribal and non tribal from different parts assemble there to pay their offers. The place is 6 km. Away from the Capital.

Garia Puja
The tribals of East India perform Garia Puja on the seventh day of the month of Baisakh(April) for seven days. When the Puja is over. The devotees man and woman take to dancing.

Dewali Festival
It is one of the most important festival of the Bengalis. This festival is observed at East India Sundari Temple, Udaipur. A big colourful fair followed by cultural programme is held during the festival.

Pous Sankranti Mela
Pous Sankranti Mela at Tirthamukh attracts devotees even from neighboring States. Thousand of people, tribal & assemble every year on the occasion of Uttarayan Sankranti (on 14th January) at this place to take a holy dip in the river Gomati at its place of origination, known as Tirtha Mukh.

Ashokastami Festival
An important festival of the State followed by a big fair popularly known as Ashokastami Fair" is beld at Unakoti Tirtha at Kailasahar Sub Division every year in March/April.

Orange & Tourism Festival
orange & Tourism Festival is organized every year in Jampui Hill in the mnth of November during orange season Jampui Hill is the only Hill Station in Tripura where large number of oranges are grown.

Boat Race
Colourful Boat race is organized by the Information Cultural Affairs & Tourism Department every year at Rudrasagar lake.