The safest way for an Indian traveller to carry money abroad is not to pick one instrument, it is to split across three. Load the bulk of your budget onto a prepaid forex card, carry a modest cushion of local cash for the things cards cannot buy, and keep one international credit card in reserve for hotels, deposits and emergencies. For a typical short trip to a card-friendly destination, roughly 70 percent on the forex card and 30 percent in cash is a sensible default, with more cash for multi-country routes or cash-heavy places.

The reason to split, rather than trust a single card or a wad of notes, is that each instrument fails differently. A forex card locks your rate and shields your bank account but can be declined at an odd terminal. Cash never gets declined but cannot be replaced when lost. A credit card carries the strongest fraud protection and an emergency credit line but leaks the most on everyday spending through markups. Carry all three and no single failure strands you. This guide compares the three on the fees that actually matter, gives you a concrete allocation rule, and covers the one setting, dynamic currency conversion, that quietly costs travellers the most.

In this guide:

The three options at a glance

Every claim in the table below moves by card, bank and year, so treat the fee ranges as indicative and confirm the exact numbers with your own bank before you travel. The pattern, however, is stable: forex cards win on everyday spending cost, cash wins on universal acceptance, credit cards win on protection.

InstrumentTypical cost to spend abroadRate certaintyAcceptanceBest for
Prepaid forex cardLow: no cross-currency markup on same-currency swipes; flat ATM fee per withdrawalHigh: rate locked when you loadWide at card terminals; ATM for cashYour main day to day spending
Local cashZero fee to spend, but you pay a spread when you buy the currencyFixed once boughtUniversal, including places that refuse cardsTaxis, tips, street vendors, small shops, emergencies
Indian credit or debit cardHigher: foreign currency markup often quoted around 2 to 3.5 percent plus GST, plus ATM feesLow: network rate on transaction dayWide, strongest fraud coverHotels, deposits, big-ticket, emergency backup

Confirm your card’s markup, ATM fee, load fee and reload fee with your issuer; the exact figures are set by the bank and change. The rest of this guide unpacks each row.

What does a forex card actually save you?

A prepaid forex card, also called a travel card or multi-currency card, is loaded with a foreign currency before you fly. When you swipe it in that same currency, there is no cross-currency conversion happening at the moment of purchase, so you avoid the foreign currency markup that a normal Indian card would add on every transaction. That markup, commonly quoted somewhere in the 2 to 3.5 percent band plus GST depending on the card, is exactly what you are dodging, and across a full trip it adds up to real money.

The second saving is rate certainty. You lock the exchange rate at the moment you load the card, so a swing in the rupee between booking and travelling does not touch your loaded balance. If you are travelling to a single-currency destination and can forecast your spend, this predictability is genuinely useful for budgeting.

The catches are worth knowing. Loading and reloading can carry a fee, ATM withdrawals almost always carry a flat per-withdrawal charge, and if you spend in a currency other than the one loaded, a cross-currency fee reappears. So load the right currency for your destination, withdraw cash in fewer larger amounts, and keep the issuer’s app handy to check your balance and unblock the card if a foreign pattern trips a fraud rule. Confirm every one of these fees with your bank before you rely on the card, because they vary widely by issuer.

When is cash still the right call?

Cash never gets declined, never needs a signal, and is the only thing some vendors accept. In many destinations the taxi from the airport, the tea stall, the temple entry, the tuk-tuk, the tip and the tiny shop all run on cash or add a surcharge for cards. Card-heavy cities have shrunk the cash you need, but they have not eliminated it.

The trade-off is that cash carries a spread when you buy it and cannot be cancelled when lost or stolen. So carry enough to cover the arrival day and the card-unfriendly categories, not your whole budget. A useful discipline is to split your cash across two locations, some on you and some in the hotel safe or a separate bag, so a single lost wallet does not empty your trip. For a card-friendly city, cash is often a minority of the budget. For markets, rural routes, multi-country trips or destinations where cash still dominates, weight more heavily to it.

If you are heading somewhere like Thailand, where street food, markets and local transport lean cash while malls and hotels take cards comfortably, a healthy cash cushion alongside the forex card is the right balance. A more card-forward destination like the UAE needs less cash on hand and more confidence in the card.

Should you use your Indian credit card abroad?

Your international credit card is your strongest instrument for exactly one set of jobs and your most expensive for everyday spending. Use it deliberately.

Where it wins: hotel check-ins and rental deposits that require a card hold, big-ticket purchases where you want the chargeback protection, and genuine emergencies where you need a credit line rather than a preloaded balance. Credit cards carry the strongest fraud cover of the three instruments, and a good travel credit card can earn rewards on foreign spend that partly offset its markup.

Where it loses: as your default swipe for coffee, cabs and shopping, it charges a foreign currency markup, commonly quoted around 2 to 3.5 percent plus GST, on every single transaction, and cash advances from a credit card abroad are punishingly expensive and start accruing interest immediately. Some Indian banks now issue travel-focused cards with zero or reduced forex markup; if you hold one, it changes this maths, so check your specific card’s terms. For most travellers, though, the credit card is the reserve, not the default.

A safety habit worth adopting: set a travel notice with your bank, enable transaction alerts, and keep the card’s international helpline saved offline, so a block halfway through your trip is a five-minute fix rather than a lost evening.

What is DCC and why must you always decline it?

Dynamic currency conversion, or DCC, is the single most common way Indian travellers lose money abroad without realising it. When you pay by card overseas, the terminal or ATM sometimes offers to charge you in Indian rupees instead of the local currency. The rupee figure looks reassuring, so many people accept it. That is the trap.

When you choose rupees at a foreign terminal, the merchant’s payment processor sets the exchange rate, and that rate almost always includes a markup that is worse than what your card network would have applied. You are letting a stranger’s terminal price your currency instead of your own bank’s network. The extra cost is invisible at the moment and shows up only when you compare the rate later.

The rule is simple and absolute: always pay in the local currency, never in rupees. If a card machine or ATM screen asks whether to bill you in INR or the local currency, choose the local currency every time. This holds for the forex card, the debit card and the credit card equally. Declining DCC costs you nothing and saves a slice on every transaction, which is why it belongs on the same checklist as your passport and your data plan.

How should you split your travel money?

Here is the concrete allocation to start from, then adjust for your destination.

For a short trip of roughly one to two weeks to a card-friendly destination, a reasonable default is about 70 percent of your spending budget loaded on the forex card and about 30 percent in local cash, with one international credit card held in reserve and not counted in that split. The forex card carries your day to day spend at the lowest cost, the cash covers the categories cards cannot, and the credit card sits untouched unless a deposit, a big purchase or an emergency calls for it.

Adjust the weighting by trip shape:

  • Multi-country route: hold more cash, in the region of 20 to 30 percent or higher, because you will cross currencies and a forex card loaded in one currency may charge a cross-currency fee in the next. Consider loading multiple currencies if your card supports it.
  • Cash-heavy destination: markets, rural areas and places where card acceptance is thin need a bigger cash share, sometimes well above 30 percent.
  • Card-forward city: a modern, card-friendly destination lets you carry less cash and lean harder on the forex card.
  • Long stay: for a month or more, a local account or SIM-based wallet may become worthwhile, but that is beyond a normal holiday.

Whatever the split, spread your risk. Do not keep the forex card, the cash and the credit card in one pocket. The point of carrying three instruments is that no single loss stops your trip.

For a fuller picture of trip costs, our guide to the cheapest way to use the internet abroad from India breaks down the other big variable in your travel budget, connectivity, with the same rupee-first approach.

The pre-trip essential everyone forgets

Money and connectivity are the two pre-trip essentials that make or break the first day abroad, and the second quietly powers the first. Every one of the money tools above depends on mobile data: checking your forex card balance in the app, receiving the OTP to authorise a transaction, pulling up maps to find an ATM, calling your bank when a card is blocked, and confirming a rate before you decline DCC. Land without data and your carefully planned money setup is half-blind.

Carrier international roaming can do it, but it is the most expensive way to get online, and an airport SIM means queuing while offline the moment you most need to react to a blocked card. A prepaid travel eSIM installed before you leave home solves this cleanly: you land connected, your money apps work immediately, and you keep your Indian dual SIM line in the phone with data roaming off so bank and UPI OTPs still arrive at no cost. Our step-by-step guide to how to buy a travel eSIM in India walks the purchase and the dual SIM setup, and you can confirm your handset in a minute with the device compatibility checker.

When you are ready to line up connectivity alongside your money, live INR prices for every route are on Viasimo, starting with the destinations Indians fly most, such as Thailand and the UAE. Sort the money split first, decline DCC every time, and land with data so all of it works. If anything snags on the way, support is available around the clock.