India’s most successful cricket captain Mahendra Singh Dhoni turns 34 on Tuesday and his journey from a small house in Ranchi to leading the national cricket team has been a thriller . Popularly known as Captain cool ,first made his Ranji Trophy debut for Bihar in 1999-2000 when he was just 18-year-old.He rose to prominence quickly and made his international debut in an ODI game against Bangladesh on December 23, 2004. His Test debut was against Sri Lanka in 2005. Dhoni was appointed as Team India captain in 2007 for the ICC World Twenty20 in South Africa and India won under his leadership