The company anticipates that Chennai commercial properties will contribute roughly 25% of its rental income in the next four years. DLF generates rental income from its retail and commercial assets under DLF Cyber City Developers (DCCDL) and the DLF portfolio. DCCDL already operates a 7.4 million-square-foot IT SEZ in Manapakkam, Chennai, generating rental revenue of about Rs 600 crore.