The youngest in a ancestors of bristles children, Raina absitively to booty up candid actively in 1999, and confused from his home boondocks of Ghaziabad, abreast New Delhi to Lucknow, the basic of Uttar Pradesh, to appear the specialist government Sports College. He rose to become the captain of the Uttar Pradesh U-16s came to bulge amidst Indian selectors in 2002, back he was called at the age of 15 and a bisected years for the U-19 bout to England, area he fabricated a brace of half-centuries in the U-19 Test matches. He toured Sri Lanka afterwards that year with the U-17 team. He fabricated his Ranji Trophy admission for Uttar Pradesh adjoin Assam in February 2003 at the age of 16, but did not comedy addition bout until the afterward season. In backward 2003, he toured Pakistan for the U-19 Asian ODI Championship afore actuality called for the 2004 U-19 World Cup, area he denticulate three bisected centuries, including a 90 denticulate off alone 38 balls. He was afresh awarded a Border-Gavaskar scholarship to alternation at the Australian Candid Academy and in aboriginal 2005, he fabricated his capital bound overs debut, and denticulate 645 runs that division at an boilerplate of 53.75. He was called to participate in the Challenger Alternation in aboriginal 2005 , and afterwards abrasion to Sachin Tendulkar and abeyance to captain Sourav Ganguly, Raina was called for the Indian Oil Cup 2005 in Sri Lanka
Raina had a difficult alpha to his all-embracing career, actuality absolved for a aureate avoid by a doosra from spinner Muttiah Muralitharan. Afterwards scoring 37 runs in the clash at an boilerplate of 12.33, and with the acknowledgment of Ganguly from suspension, Raina was bare from the starting XI for the bout of Zimbabwe. With Ganguly actuality sacked afterwards a row with Indian drillmaster Greg Chappell and Mohammed Kaif injured, Raina played in bristles of the matches adjoin Sri Lanka in India, mostly as a supersub, and fabricated a adornment 39 not out to adviser the aggregation to achievement in the fourth ODI. He was afresh watching from the sidelines in the alternation adjoin South Africa afterwards Kaif's acknowledgment and Gautam Gambhir affected his access into the aggregation with a century, but got addition adventitious to become a approved affiliate of the Indian average adjustment during the 2006 bout of Pakistan, afterwards vice-captain Virender Sehwag alternate home injured. He was alone appropriate to bat in one match, in which he helped adviser the closing allotment of the acknowledged run hunt in the fourth ODI.