Royal Challengers Bangalore have been boosted by the return of captain Virat Kohli ahead of their Indian Premier League clash against Mumbai Indians at the M Chinnaawamy stadium in Bengaluru on Friday. (Virat Kohli declared fit, will be available for Mumbai Indians clash on Friday)Kohli has been declared fit and is all set to lead RCB in the first of the two matches on Friday. (Kohli takes part in fielding drills)He suffered an injury to his right shoulder during the first day of the third Test against Australia last month. The injury ruled him out of the fourth and final Test, which India won to capture the Border-Gavaskar Trophy 2-1. (Virat Kohli keeps my passion for cricket alive, says AB de Villiers)Kohli was advised a rehabilitation after that due to which he missed the first three matches of RCB, who managed to win just once. (Virat Kohli is the best player in the world: AB de Villiers)RCB are languishing at the bottom half of the table. His absence certainly hurt RCB especially after finishing runners-up last season. (RCB slip to four-year low in Kohli’s absence)The 28-year-old had a sensational 2016 IPL season in which he broke a plethora of records. He scored a record-breaking 973 runs and became the first batsman to slam four hundreds.His teammate and South Africa’s 360 degree batsman AB de Villiers is happy to have Kohli back in the squad.Good to have @imVkohli back to full fitness and up for selection against the @mipaltan. #RCBvMIadvertisement- AB de Villiers (@ABdeVilliers17) April 13, 2017The duo share a great camaraderie off the field as well and De Villiers had admitted that he admires Kohli a lot. (Virat Kohli drives his Royal Challengers Bangalore teammates in a vintage jeep)”I am a few years ahead of him. I think I was very similar to him — played the game with a lot of passion, energy, and good skills, working hard at your game, not accepting defeat at all. His passion is something I love watching in him. He is giving me that passion in my old age,” De Villiers told ESPNCricinfo.De Villiers had also missed the first two games due to a back injury he suffered during a 50-overs domestic tournament in South Africa.He returned from injury layoff with a bang, hitting a swashbuckling 89 not out off only 46 balls.His brilliant innings helped a slow-starting Bangalore set a competitive 148 for four total but Kings XI Punjab proved too strong in their reply, easing to an eight-wicket victory with 33 balls to spare.De Villiers had finished as the third highest run-getter in 2016 with 687 runs in 16 matches.