Although I am associated with CoinSwitch, but I will tell about the aggregation service they run, from where you can compare the prices offered at multiple exchanges and trade at best rates. There are primarily two platforms which are listed on CoinSwitch to buy coins using Fiat.
Simplex are a service, they provide around 14+ coins, you can refer this link to buy using simplex - https://payments.coinswitch.co/
Restricted countries for Simplex -
Afghanistan, Bahamas , Botswans, Cambodia, Cuba, Democratic People's Republic of Korea, Ethiopia, Ghana, Iran, Iraq, Kyrgyzstan, Lebanon, Pakistan, Serbia, Sri Lanka, Sudan, Syria, Trinidad and Tobago, Tunisia , Yemen , Panama.
Restricted USA States for Simplex - Georgia (GA), New Mexico (NM) , Hawaii (HI), Washington (WA) , Oregon (OR) , Vermont (VT) , Florida (FL)
Alabama (AL) , Washington (WA)
Indacoin Exchange -
Indacoin supports many small currencies along with leading coins like Bitcoin and Ethereum, You can buy coins via Indacoin using this link - https://coinswitch.co/app/exchange?from=usd&to=btc
Indacoin Doesn't support the below countries-
Afghanistan, Algeria, Angola, Antigua and Barbuda, Bangladesh, Bolivia, Bosnia and Herzegovina, Botswana, Cambodia, China, Cuba, Democratic Republic of the Congo, Ecuador, Egypt, Eritrea, Ethiopia, Gambia, Ghana, Guinea-Bissau, Guyana, Indonesia, Iran, Iraq, Ivory Coast, Japan, Kyrgyzstan, Laos, Lebanon, Lesotho, Liberia, Libya, Macedonia, Malaysia, Mali, Morocco, Myanmar, Namibia, Nepal, Niger, Nigeria, North Korea, Pakistan, Papua New Guinea, Qatar, Republic of the Congo, Senegal, Sierra Leone, Somalia, South Sudan, Sri Lanka, Sudan, Syria, Tanzania, Togo, Trinidad and Tobago, Uganda, United States, Vanuatu, Vietnam, Yemen, Zambia, Zimbabwe
Therefore you can compare the prices offered at Indacoin and Simplex using CoinSwitch Exchange and trade at best rates - https://coinswitch.co/ [/list]