The price of kerosene oil . . . . . . . . two rupees a liter?
The price of kerosene oil . . . . . . . . two rupees a liter? Correct Answer is
When deciding whether to use 'is' or 'are', look at whether the noun is plural or singular. If the noun is singular, use 'is'. If it is plural or there is more than one noun, use 'are'.