How do I type অ্যা?

Using keyboard layouts in Windows 10.0.28000.1251

Use this page to find out how to type a character on given keyboard or how many keyboards contain given characters.

Tell me how to write using !

The entered characters are as follows:

Hex	Dec	Name		Range	C#	HTML	URL
U+0985	2437	অ	BENGALI LETTER A	Bengali	\u0985	অ	%E0%A6%85
U+09CD	2509	্	BENGALI SIGN VIRAMA	Bengali	\u09cd	্	%E0%A7%8D
U+09AF	2479	য	BENGALI LETTER YA	Bengali	\u09af	য	%E0%A6%AF
U+09BE	2494	া	BENGALI VOWEL SIGN AA	Bengali	\u09be	া	%E0%A6%BE

Unfortunately, there is no keyboard layout in Windows 10.0.28000.1251 that would allow you to type all these characters.