Sharma is suffering from a knee injury he sustained during the Boxing Day Test against Australia.
The 26-year-old Sharma has played 12 ODIs in which he has taken 10 wickets.
Any injury or illness-based replacement requires a written submission to the Event Technical Committee along with a diagnosis from a medical practitioner as to the extent of the injury or illness. Once replaced, a player may not return to the squad save as an approved subsequent replacement for another injured or ill player.
The Event Technical Committee of the ICC Cricket World Cup 2015 is Geoff Allardice (ICC General Manager – Cricket, Chairman), Campbell Jamieson (ICC General Manager – Commercial), John Harnden (Chief Executive, CWC 2015 LOC), Gavin Larsen (Cricket Operations Manager, New Zealand), Russel Arnold and Sanjay Manjrekar (independent nominees).
Defending champion India is in Pool B of the ICC Cricket World Cup 2015 along with former champions Pakistan and the West Indies, African rivals South Africa and Zimbabwe, and qualifiers Ireland and United Arab Emirates (UAE). Pakistan will play its opening match against Pakistan at the Adelaide Oval on 15 February.