India, July 22 -- Shreyas Iyer wants India to leave recent disappointments behind and play "without the fear of failure" as they begin a three-match T20I series against Zimbabwe in Harare on Thursday.

This tour of Zimbabwe comes in a far less relaxed background of successive series defeats in Ireland and England, results that have intensified scrutiny over India's T20I combinations and direction. Yet Iyer insisted those setbacks offered valuable lessons rather than lasting scars.

"We had a rough patch in England, but there were a lot of positives out of that," Iyer said on the eve of the opening T20I in Harare. "We got to know what we have to build as a team going forward, what kind of presence of mind, awareness and adaptability we nee...