I need a translator english to bengali for a science lecture

Need a translator from English to Bengali for a science lecture. Good English and Bengali skills needed. Microsoft Word needed - you will be working in Microsoft Word and returning the translated file in Microsoft Word format. You need some familiarity with science terms to do with electricity, magnetism, and space. Also some familiarity with and a tolerant attitude towards secularism and atheism. You will be translating 4040 words from English to Bengali, keeping the time stamp numbers in English. You will be using Bengali script from Avro (free download) in Microsoft Word.