lakh

Preposition: of

• rupee: It's not everyday that a factory worker has to raise lakhs of rupees to save his son's life.

Adjective modifier

• few: The number of copies of any given record varied from minimum of 500 to few lakhs, depending upon the popularity / sale.

Modifies a noun

• child: About 3.6 lakh children in this age group could not be covered during the earlier rounds.

Preposition: per

• annum: The deposits mopped by the Scheme are about Rs 426 lakh per annum.