द्वेध शासन नीति को किसने समाप्त किया था - - Who abolished the policy of dyarchy? - Dvedh Shashan Neeti Ko Kisne Samapt Kiya Tha - India History in hindi, Karjan question answers in hindi pdf Waren Hestings questions in hindi, Know About Lord mountbetan India History online test India History notes in hindi quiz book Lord Ripon