id	keyword
iogr-1256	gas
iogr-1256	coal
iogr-1256	co2
iogr-1256	cbm
iogr-1256	production
iogr-1256	methane
iogr-1256	thar
iogr-1256	engineering
iogr-1256	content
iogr-1256	ecbm
iogr-1256	recovery
iogr-1256	pakistan