India's left-handed opener Gautam Gambhir has been ruled out of the limited-overs segment of the England tour due to concussion.Gambhir has now been replaced by all-rounder Ravindra Jadeja, the BCCI announced in a media release on Wednesday.Suresh Raina has been named India's vice-captain for the limited-overs leg of the tour.Gambhir fell backwards and banged his head against the ground while
attempting to catch at Kevin Pietersen in the fourth and final Test
against England at The Oval."He was
diagnosed of mild concussion by the attending sports physician
and neurologist. He was sent for a precautionary CT and MRI scan of his
head and neck which was reported as normal. He has been resting since
and his symptoms have improved. However, he still complains of some
visual disturbance and inability to focus on an object for long. The
ophthalmologist (eye specialist) has reported Gautam’s eyes as perfectly
normal and the symptoms have been put down to the mild concussion.Gautam has been advised to take rest and is expected to recover
spontaneously without any further medical intervention," informed the
BCCI in a media release.Gambhir is expected to head back home shortly.India plays England in a one-off Twenty20 International at Manchester later on Wednesday.The five-match ODI series kicks off on 3 September.