Our Bengalee language and Indian Bengalee language there are gulf of differences. In our Bengalee language there are lot of Persian, English, Arabian, Urdu and Turkish words are there and it has became a part of our language.
Well, about the writings of Tagore he used to hate the Muslims. During the British times once Bengal was partitioned he used to sponser the two terrorist organisation like,"Anoshilon & Gugantar". Most of his writings were being influenced by Hindu religion.
About the introduction of Arabic/ Roman scripts in Bengalee many people tried during Pakistan's times but never dared. To implement this another revolution is requred which is not likely to happen. However, some of his writing may be banned in Bangladesh.