[Koha] Please help me for completing my virtual keyboard in bangali

Hi, I am Nur Ahammad working as a Junior Assistant Librarian in BRAC University Library, Bangladesh.My responsibility is that maintaining koha library automation software. Previously we were using koha 3.00.05 and now we are using koha 3.00.06. After updating our database virtual bangla keyboard is not working.I know you have done it in Hibru by surfing your site http://hfjs.bsz-bw.de . Our library opac address is http://library.bracu.ac.bd -- Nur Ahammad Junior Assistant Librarian BRAC University, Bangladesh