The Moplah Rebellion (or Malabar Rebellion) was an armed uprising against British authority and Hindu landlords in Malabar, Kerala in 1921. But the the movement was severely suppressed by the British forces.
The road construction was said to have been too costly in India due to the terrain, the rivers, and the high repair costs due to the monsoons. This was the main reason due to which road length grew at a much slower pace than the railways.