Chennai, Dec 29 : A record 24 sponsors and partners have associated themselves with the much-awaited Aircel Chennai Open 2016, which will mark the 20th year of South Asia's only and India's premier ATP tournament in the tennis capital of India. The bevy of sponsors and partners include new associations and existing partnerships led by Aircel, the title sponsor for the tournament, and supported by a consortium of sponsors in the Platinum, Gold and Silver category, headed by the Government of Tamil Nadu.