Sans injured captain Shane Watson, RR have been ably led by Steven Smith in the four matches gone by and have managed a clear eight points.
Two-time champions CSK are not far behind as the Mahendra Singh Dhoni-led side has also enjoyed a clean run in its three matches.
Playing their second match at Motera, their adopted home ground, RR seem to have ticked all the boxes in all the departments with their top-order batsmen not only coming good in all the matches but also the bowling rising to the challenge.
The bowling, led by New Zealand medium-pacer Tim Southee, has also done well with South African Chris Morris, Australia's James Faulkner and Indian talent Dhawal Kulkarni and Stuart Binny making up a potent line-up.
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The team has also lived up to its character of backing young Indian talent with Haryana lad Deepak Hooda making his presence felt with the bat against Delhi Daredevils at Feroz Shah Kotla in a close game.
The 19-year-old all-rounder is said to be the find of the season as he is also contributing with his wily off-spin. Veteran leg-spinner Pravin Tambe has also picked up regular wickets for the Rahul Dravid-mentored side.
New Zealand opener Brendon McCullum set the tone with the first hundred of the season, in the team's second game against SRH, and the top-order found the right inspiration.