When we create PDF version of any page of Bengali Wikipedia,Bengali Font rendering for not properly done.Specially JuktaKKha(complex letter) e-kar(vowel) and i-kar(vowel) is not placed proper postition.
You can check your side.
Jayanta Nath
user id joy
admin,Bengali Wikipedia
Version: unspecified
Severity: enhancement
URL: http://bn.wikipedia.org