1. Stay informed about the current exchange rate between USD and INR. You can use financial websites, apps or Google to check the latest rate.

2. Consider the time of day when you want to make the conversion, as exchange rates can fluctuate throughout the day.

3. Avoid converting large amounts of money all at once, as exchange rates can vary significantly over time.

4. Look for a trusted exchange service or bank that offers competitive exchange rates and low fees 

5. Consider using a debit or credit card that doesn't charge foreign transaction fees, as these fees can add up quickly.

6. Avoid exchanging currency at airports or hotels, as these places often offer poor exchange rates and high fees.

7. If you need to carry cash, make sure to exchange it at a trusted exchange service or bank and keep it secure while traveling.

8. Keep in mind that some merchants in India may only accept cash, so it's a good idea to have some Indian rupees on hand.

9. Consider using a money transfer service if you need to send money to someone in India, as these services often offer competitive exchange rates and low fees.

10. Be aware of any restrictions or regulations on currency conversion and transfer between the two countries, and follow them to avoid any legal issues.