You need a visa for El Salvador if you have an Indian passport
Visa options for El Salvador
Electronic visitor visa
Travelers need a visa to visit El Salvador for Business or Tourism. An El Salvador eVisa is the fastest and easiest way of obtaining a visa for El Salvador because travelers can submit their application and supporting documents online. The traveler will be notified through the registered email address if the PEI request has been approved or denied. Once the application is approved, travelers are ready to travel to El Salvador. They will obtain the Special Entry Permit physically stamped on their passport the moment they enter the national territory through land, air or sea borders.