Before applying for Argentina Visa, please check the transit visa status if your flight is via any 3rd Country. 
Argentina Visa for Indian Citizens is a simple process. The documents required are:

1. Valid Passport (with 6 months validity & 2 blank pages)
2. Signed Visa Form by the Traveler/Applicant with 2 Photos (4×4 cm, white background and matte finish).
3. Proofs of Sufficient Funds (Bank Account Statement for 6 months, attested by the bank)
4. Proof of Income being Taxed (Income Tax Returns of 3 years)
5. Proof of Employment for GST , Registration Deed, N.O.C from Employer , Pay Slip etc. (All documents must be translated to Spanish language and Notarized also.)
6. Travel Itinerary with Day Wise detailed proposal.

7. Cover letter must be translated to Spanish language and Notarized also.

8. All documents must be submitted at the consulate of Argentina. Also , Interview can be happen.

9. International Credit & Debit Card Copy (attach latest statement of credit card).
10. If going on Invitation then Invitation Letter with ID proof of the Inviter along with 3 months bank account statement, proof of employment and proof of residence of the inviter.

Service Charges (per person) = INR 5,999/- (Tourist) / INR 9,999/- (Business)

Note: Embassy fee is included in the mentioned cost. You should apply before 30 days of departure.