Billion term is Oftenly used in western countries. In india, like we use term lakhs, crores they use millions, billions, trillions. read more
1 billion means 100 crores=>1000000000. 1 USD=55.4995 Rupees. so 1 billion dollar =55499500000 rupees. 1 billion means 100 crores=>1000000000. read more