You have to assume everything in the statement to be true, then consider the two conclusions together and decide which of them logically follows beyond a reasonable doubt from the information given in the statement.
Statement : The distance of 900 km by road between Bombay and Jafra will be reduced to 280 km by sea.This will lead to a saving of Rs.7.92 crores per annum on fuel.
Conclusions : I. Transportation by sea is cheaper than that by road
II. Fuel must be saved to the greatest extent