by other energy source as I said per/capita/yr electricity consumption has exceeded 4000 kw-hr.

The main problem with burning cowdung, grass..etc is that those stuffs contain water(extra or intra-molecular as complex carbohyrates) and combustion temperature is usually low so lots of fine particles are not completely burnt.

Chinese has been using straw as paper pulp raw material since Allah knows when, hence the word 草纸. Mind u china imports lots of wood inspite of.

  Hindus might follow a different tradition