It is beautiful and well designed calendar in which the date from 1990 AC will be found. For this time duration all dates in all Bangla revised(Bangladesh version), gregorian and arabian(hijri) are also given.

# All holidays by Bangladesh government are shown in this calendar.
# Each day of month are colored beautifully based on the types of holiday, i.e public holidays are colored as red background, yellow for optional or seasonal holiday, green for today.

# Clicking at any day shows date and converted date of each EN,BN,AR calendar.
# If any date has special color that is there is a holiday and that case it shows the cause of holiday.
# User can navigate to any month tapping next or previous button.
# It supports Bengali and English language together.

# For gregorian calendar year from 1990 to 2035 are included(running 2017).
# For bangla calendar year from 1396 to 1441 are included(running 1424).
# For arabian calendar year from hijri 1410 to hijri 1456 are included(running 1438).
# There is full list of holidays together in another page with all occasions.
# You can scroll to end and can find holidays with date in all three format and events on those days.
# Another special feature is that- you can create calendar widget that support both languages.
# Just tap and create an widget in your home page.
# It is very easy to use calendar with nice UI and completely free.

Arabian or hijri is lunar calendar. So it can differ a day from original date in some cases and this panjika is not based on Indian bangla calendar.
I think you will love this. If you are happy please rate and review this app.