NEW DELHI, Oct. 12 -- Air Chief Marshal AP Singh on Sunday flew the Tejas light combat aircraft from Jodhpur airbase, the Indian Air Force chief's last flight before he retires on October 31, officials aware of the matter said. The sortie during multilateral combat exercise Tarang Shakti also turned the spotlight on the LCA's latest Mk-1A variant, which represents the next chapter in India's homegrown fighter story, officials said. The LCA Mk-1A is finally nearing induction into the IAF after missing several deadlines. Both the IAF and state-run aircraft maker Hindustan Aeronautics Limited (HAL) are confident the locally built, single-engine fighter will enter service by year-end. The aircraft that the Chief of Air Staff flew is the LCA's f...