Every cricket lover carries a few scorecards in his heart. Mine, yellowed by time and perfumed by memory, invariably opens to one unforgettable page. It takes me back to September 1986, to the old Chepauk in Madras, where India and Australia produced a Test match that still glows like an oil lamp on a rainy evening. Not long ago, while watching another India-Australia series unfold, I found myself drifting backwards through the corridors of time. Memory, after all, is a curio