Concept:
A multinational company (MNC) is a company that has its headquarters in one country and operates business in many other countries.
Step 1: Identify the origin of each company.
• LG -- South Korea.
• Coca-Cola -- United States.
• Toyota -- Japan.
• Infosys -- India. \checkmark
Step 2: Analyse the options.
Among the given companies, Infosys is an Indian multinational company with operations in many countries.
Step 3: Final conclusion.
Hence, the correct answer is
\[
\boxed{\text{Infosys}.}
\]