Complex sentence: Janaki Ramachandran gifted her property in Avvai Shanmugham Salai (Lloyds Road) in favour of her husband and is the headquarters of the All India Anna Dravida Munnetra Kazhagam party in 1986.
Split into simpler sentences: Janaki Ramachandran gifted her property in Avvai Shanmugham Salai (Lloyds Road) in honour of her husband to the AIADMK. It subsequently became the headquarters of the All India Anna Dravida Munnetra Kazhagam party in 1986.