Please add Bangla Wikipedia template to welcome new users. Following rule should be added to welcome.py.
'bn': u'{{subst:স্বাগতম/বট}} %s',
See the template here: https://bn.wikipedia.org/wiki/%E0%A6%9F%E0%A7%87%E0%A6%AE%E0%A6%AA%E0%A7%8D%E0%A6%B2%E0%A7%87%E0%A6%9F:%E0%A6%B8%E0%A7%8D%E0%A6%AC%E0%A6%BE%E0%A6%97%E0%A6%A4%E0%A6%AE/%E0%A6%AC%E0%A6%9F
Thanks.
Version: unspecified
Severity: normal