The cheapest way is usually to use a low-cost calling app or Amantel service instead of your regular mobile plan. These services often offer much lower per-minute rates, and some let you call India for just a few cents per minute.
If you call often, a monthly plan may be cheaper than pay-as-you-go rates. Using Wi‑Fi or mobile data can also reduce costs, especially for app-based calling.
Avoid standard roaming charges, since they are usually the most expensive option. Comparing providers before you call is the easiest way to save money.
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