How many crores make 1 billion?
1 billion is 1,000,000,000 in International system of numeration. In this number, remove all the commas. After removing the commas, it becomes 1000000000. Now start putting commas according to the Indian system of numeration. Then, it becomes 100,00,00,000 = 100 crores.
So, 1 billion is equivalent to 100 crores.