Bengali language package for Open source softwares

i need bengali language pack for few open source PHP softwares .It has already been done for wordpress(.mo .po files) so that prototype can be used to do it again for PHPBB ,Oscommerce joomla php pun vanila board ,open cart .Or you can do it your own way ...editing language pack involve editing few images also ..please see OS commerce language pack for this .Also i want registered user to type in bengali too (just like in wordpress or blogger )using begali phonetics and all just like avro keyboard or blogger or gmail (typing in bengali). I need actual proof of concept that you can do it and not gonna waste my time .SO fake freelancers must stay away .You must first complete the language pack for on software then i can hire you for rest of the project .I think it a easy job and wont take much time as you will have follow the usual prototype Wordpress .Upfront wont be given for this job,First lang package for one must be developed then the rest of the job can be transferred . please translate the following attachment in english in your bid just to show that you are fit for the job