Bharti Airtel has forayed into the media and entertainment sector with the launch of the Airtel Digital Media Business. The company will provide content delivery solutions for the media and entertainment sector, and will offer the industry a secure digital distribution capability across multiple media platforms. Bharti is expected to invest about Rs 4 billion in this venture over the next four to five years. The venture will be integrated with Bharti’s global network of submarine cable systems, international points of presence and content delivery network services.