India's whipping victory in the Nagpur Test has guided them to earn number one ranking in all formats of the game including Test where they snatches the number one spot from Australia. India recently became the top-ranked ODI team after beating New Zealand 3-0 in January, to go with their No. one spot in T-20 ranking.If the Indian team can win against Australia in their forthcoming second Test scheduled to be held in Delhi from 17th February, will be able to stay on the top of the Test rankings and also move a step closer to qualifying for the World Test Championship final in June. India needs to win the series 3-1 or 3-0 to make the final.