New Delhi, Sep 17 (ANI): The wreath laying ceremony of Indian Air Force Marshal Arjan Singh was held at his residence in New Delhi on Sunday. Singh died on Saturday evening after suffering a heart attack. He was 98 years old. Union Defence Minister Nirmala Sitharaman, the three service chiefs Bipin Rawat, Sunil Lanba, and B.S. Dhanoa also paid their tribute at the ceremony.