The Virat Kohli-led RCB are currently at third spot with 12 points from 10 matches and a win over RR will virtually put them in the play-offs.
The loss against SRH also meant RR has slipped to the sixth spot in the pecking order with eight points from 10 games.
While most foreign players were freelancing in leagues and also playing international cricket, Indian domestic players haven't had any game time after the IPL stopped in the first week of May due.
Temba Bavuma will lead a 15-man squad which CSA director of cricket Graeme Smith said was "a new group of players, with new heroes to be made."
Check out photos from match 18 of IPL 2021 between RR and KKR which was held in Mumbai on Saturday.
For now, RR have dragged themselves away from the bottom of the table. As they leave Mumbai, they will hope their spirits remain as high for their Delhi leg.
IPL 2021: Trying to 'give people a reason to smile' amid suffering, says Rajasthan Royals' Chris Morris
India is reeling under the second wave of the pandemic with cases rising by over 3 lakh everyday, a crisis compounded by shortage of some crucial medicines and oxygen supplies. Morris said it is "difficult to comprehend" what is happening.
IPL 2021: RR captain Sanju Samson praises 'brilliant' pacers as KKR's Eoin Morgan rues batsmen's 'lack of intent'
The Royals chased down a modest 134-run target with ease for their second win of the season after their pacers restricted the rivals to 133 for nine.
Morris' 4 for 23 helped restrict the Kolkata Knight Riders to a sub-par 133/9 before Samson struck an unbeaten 42 to guide Rajasthan Royals to a six-wicket win.
Following a bidding war for the South African which was largely dominated by Royal Challengers Bangalore (RCB), Mumbai Indians (MI) and RR during the IPL auctions in February this year, Morris was eventually snapped up by the inaugural champions for Rs 16.25 crore, becoming the costliest ever cricketer in IPL history.
Cameos from Faf du Plessis (33 off 17), Dwayne Bravo (20 not out off 8), Ambati Raydu (27 off 17) and Ali (26 off 20) helped CSK post 188 for nine after being put in to bat.
Check out photos from Match seven of IPL 2021 between Rajasthan Royals and Delhi Capitals.
IPL 2021: Not giving R Ashwin his full quota of overs against RR probably a mistake, says DC head coach Ricky Ponting
Ashwin conceded just 14 runs and no boundaries in his three overs after being brought in following the powerplay on Thursday night when DC were defending a modest 148.
Morris formed one-third of the framework behind the RR win, alongside Jaydev Unadkat and David Miller – three players who had a redemption story each of their own to tell.
Chasing 148 for their first win of the season, the Royals were reeling at 42 for five but the South African players pulled off a three-wicket win with Miller hitting 62 and Morris producing a breathtaking 36 off 18 balls.
IPL 2021: Jaydev Unadkat, Chris Morris star as RR beat DC by three wickets, claim first win of season
Unadkat took three wickets for 15 runs to restrict the Capitals to 147 for eight before Miller (62) and Morris (36 not out) helped guide the Royals to their first win of the season
Here are five stars who could be key in stopping Mumbai Indians winning for a third straight year
Here's all you need to know about Rajasthan Royals ahead of IPL 2021.
Ahead of IPL 2021, here are the 10 all-rounders to watch out for.
While we witnessed run fests last season, the bowlers too had their say, with pacers dominating the top four spots of the bowling charts. DC’s Kagiso Rabada (30 wickets) walked away with the Purple Cap after a tough competition with Jasprit Bumrah (27) and Trent Boult (25). Here are the top 10 bowlers you should look out for in IPL 2021.