Narine, whose action has yet again come under scanner will undergo corrective measures at the ICC and BCCI accredited testing facility SRASSC in Chennai and won't be available for the Royals game. However Narine's absence could prove to be a psychological blow for the Knights, having lost to Sunrisers in their last match via D/L Method.
     
The Royals will also be keen to return to winning ways after as they have now lost back to back matches after five successive victories.
     
In case of Narine, he is eligible to bowl in forthcoming matches and but it's highly unlikely that KKR thinktank, which has stood firm by the Trinidad and Tobago off-spinner will risk a bowler in Sunday's match.
     
Termed an asset who's been hard to replace by his skipper Gambhir, Narine's recruit had seen them winning the title twice in 2012 and 2014 as he's picked 67 wickets in three IPL seasons during which he played in 52 matches.
     
Having remodelled his action and after being tested twice, once in UK and then in Chennai before the IPL, Narine has looked very ordinary in all the five KKR's outings.
     
He has bowled his full quota (four overs) in every match, but has only picked two wickets with an economy rate of 7.35 against a career rate of 5.92 in the IPL.
     
The likes of David Warner and Shikhar Dhawan punished the Trinidad offspinner as he leaked 38 runs without any wicket agaisnt SRH in the last outing.
     
More than the chemistry in their bowling unit, KKR face the biggest mental hurdle as they hit the home stretch after a 15-day gap owing to the civic polls in the state.
     
KKR in fact have their plan B ready with the likes of Johan Botha, Brad Hogg along with the rookie mystery spinner KC Cariappa, chinaman bowler Kuldeep Yadav besides the tried and tested duo of Piyush Chawla and Yusuf Pathan.
     
Beginning with RR, KKR will go on to complete all their remaining five home outings by May 9, as they would look to secure maximum to ensure a berth in the playoffs that begin May 19.
     
Gambhir and Co love chasing but their plan backfired in their last match with D-L method denying them a third straight away victory.
     
In batting, KKR have been relying heavily on skipper Gautam Gambhir who has three half centuries, as the likes of Robin Uthappa, the last season's top run-getter, Manish Pandey and Suryakumar Yadav are yet to convert their starts.
     
Pathan Senior also has been a regular feature for KKR in past four years with very little to show for his efforts apart from one odd innings here and there.

RR, on the otherhand, will be formidable with the duo of Ajinkya Rahane, the leading run-getter this season, and Steve Smith in fine form.
     
Add skipper Shane Watson's all-round finesse and Deepak Hooda's blazing strike-rate (208.92) and Royals would look menacing.
     
Since making his IPL debut at 41, Pravin Tambe, now 43, has impressed and has taken six scalps this season.
     
With Chris Morris and James Faulkner their pace department also look in safe hands as Watson will be looking to turn around their momentum.
     
They maybe still leading the standings after two back to back losses but having played two matches extra, their place atop the table is still not secured.
     
Skipper Watson has admitted that fortunes have changed since their unfortunate Super Over loss to Kings XI Punjab after the scores were tied on April 21.
     
"We have to turn the momentum as quickly as possible. T20 is such a format where it changes quickly," Watson said after their nine-wicket thrashing by Royal Challengers Bangalore in the previous match.
     
Teams (from):
     
Kolkata Knight Riders: Gautam Gambhir (c), Robin Uthappa, Manish Pandey, Andre Russell, Yusuf Pathan, Suryakumar Yadav, Johan Botha, Piyush Chawla, Sunil Narine, Morne Morkel, Umesh Yadav, Ryan ten Doeschate, Azhar Mahmood, Pat Cummins, Brad Hogg, KC Cariappa, Aditya Garhwal, Sheldon Jackson, Kuldeep Yadav, Sumit Narwal, Veer Pratap Singh and Vaibhav Rawal.
     
Rajasthan Royals: Shane Watson (c), Ajinkya Rahane, Steve Smith, Karun Nair, Deepak Hooda, Sanju Samson, Stuart Binny, James Faulkner, Chris Morris, Dhawal Kulkarni, Pravin Tamble, Ben Cutting, Tim Southee, Rusty Theron, Ankit Sharma, Brainder Sran, Rajat Bhatia, Vikramjeet Malik, Abhishek Nayar, Pardeep Sahu, Dinesh Salunkhe, Rahul Tewatia, Sagar Trivedi and Dishant Yagnik.

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