If you dig out history then plenty of non-muslim atrocity upon muslim can also be found.
Noakhali riot was a religiously motivated mob violence in reaction of Calcutta riot.It was not endorsed by any muslim govt. or party.In 1946-1947, all party killed each other.You can not just pick up one episode of those events and declare a particular group evil.
These is no organized, systemic violence against Hindu in Bangladesh.Localized, sporadic attack do not suggest any pattern.From 1972 to until very recently, no Hindus were killed in Bangladesh by religiously motivated attack.Only very recently 2-3 hindus were killed by banned extremist outfit whom we are raiding and killing where ever we find them.
Kashmir is an insurgency areas.Kashmiri muslims were also massacred by indian hindu soldiers.More muslim were killed by indian hindu soldier in Kashmir than muslim killed the hindus.
And who counted 670 million figure in 1400 years? 670 million is the larger figure than total world population in 1700AD. You should not take your materials from obscure European neo-nazi website.