id	keyword
gssr-516	bengal
gssr-516	oil
gssr-516	bangladesh
gssr-516	gas
gssr-516	research
gssr-516	bay
gssr-516	platform
gssr-516	source
gssr-516	basin
gssr-516	water
gssr-516	hydrocarbon
gssr-516	area
gssr-516	petroleum
gssr-516	zone