Bangla Calendar 2021 is an Android app developed by Smart Calendar World. It is an essential tool for people who speak Bengali, particularly those living in West Bengal and around the world. The app provides comprehensive information on the Bengali calendar, daily panjika, all festivals, and West Bengal government holidays. Users can easily switch between months and view all traditional and religious festivals and fasting days of West Bengal.

The app has an attractive user interface design and is very easy to use. It is a lightweight application that works offline without the need for an internet connection. Users can zoom in and out of the calendar to get a detailed view of each day. The app also provides complete information on Indian and Bengali festivals and holidays.

Overall, Bangla Calendar 2021 is a useful and reliable app that provides accurate information on the Bengali calendar and festivals. It is highly recommended for Bengali-speaking people who want to keep track of important dates and events.