You can translate it as: **今日汇率:90美元兑换印度卢比**
If you want to keep it very literal, you could also say:
**当前汇率:90美元兑印度卢比**
Both are commonly understood【90 dollar to rupees】
Conversion Rates, Real-Time Values, and Practical Scenarios" in Hindi is:"90 डॉलर से रुपये में: रूपांतरण दरें, वास्तविक समय मूल्य, और व्यावहारिक परिदृश्य"【90 dollar to rupees】