India's historic win at the MCG in the third Test against Australia by 137 runs has helped them take an unassailable 2-1 lead in the 4-match series. India cannot lose the series but that is not what the team or an Indian fan will have in mind. Things cannot get any better for India, who are eyeing their maiden series win in Australia. So, what happened at MCG that has put India in such a commanding position going into the fourth Test in Sydney? Here are the five moments that mattered in India's glorious win.