India regained the Border Gavaskar trophy, Their first series win over Australia in eight years, after they bowled Australia out for 209 to win by 172 runs India confidently stepped into a new era with their captain Mahendra Singh Dhoni winning his third Test in a row. In a touching tribute to Sourav Ganguly who signed off in this Test. Dhoni let him to captaining the side as the final rites were being administered. Dada signed off as a caption. A perfect ending for a such a great Cricketer. Ganguly and Dhoni embraced at the centre of India's raucous celebrations. Dhoni…