You need an embassy visa for Argentina if you have an Indian passport
Visa options for Argentina
Electronic travel authorization may be available with conditions
Travellers may be eligible to apply for travel authorization to visit Argentina for Tourism. The following travellers are eligible to apply for Electronic Travel Authorization (eTA) before entering Argentina: -Travellers who don’t need a visa to enter United States and who can demonstrate that they entered United States at least 1 time in the last 2 years; -Travellers who already have a valid ESTA ( Electronic Travel Authorization for United States); -Travellers who have a valid United States B1, B2, J, P (P1-P3), E and H1-B visa. Travellers must obtain an eTA before entering Argentina. Travellers can submit the eTA application online. Once the application is approved, travellers receive their eTA confirmation electronically. An eTA is electronically linked to a passport and valid for up to 3 months If travellers receive a new passport, they must apply for a new eTA. A valid eTA is required to board the flight. If the eTA is expired or doesn’t match the traveller’s passport information, travellers will not be able to board their flight.