Q54. With reference to chemical fertilizers in India, consider the following statements:

At present, the retail price of chemical fertilizers is market-driven and not administered by the Government.
Ammonia, which is an input of urea, is produced from natural gas.
Sulphur, which is a raw material for phosphoric acid fertilizer, is a by-product of all oil refineries.
Which of the statements given above is/are correct?