Question: 1 billion how much dollar?
Answer: US$ 1000 (1 Thousand US Dollar) = Rs 65000 (Rs 65 Thousand Approx.) US$ 1,000,000 (1 Million US Dollar) = Rs 65,000,000 (Rs 6 Crore 50 Lakhs Approx.) US$ 1,000,000,000 (1 Billion US Dollar) = Rs 65,000,000,000 (Rs 6 Thousand 500 Crores Approx.)