Step 1: Understanding “Intermediary” under IT Act, 2000.
As per Section 2(1)(w) of the Information Technology Act, 2000, an intermediary is any person who, on behalf of another, receives, stores, transmits, or provides any service concerning electronic messages. This includes entities like telecom service providers, network service providers, internet service providers, web-hosting services, search engines, online marketplaces, and cyber cafes.
Step 2: Application to options.
All entities listed — cyber cafes, telecom regulators, social media platforms, and ISPs — act as intermediaries facilitating digital communication and transactions.
Step 3: Conclusion.
Hence, the correct answer is (D) — cyber cafes, social media platforms, and internet service providers are included as intermediaries under Section 2(1)(w). Telecom regulators are not considered intermediaries.