kolkata goalkeeper vishal kaiths indiscretion and a poor defensive organization during counterattack cost atk mohun bagan dearly as chennaiyin fc rallied from a goal down to beat hosts 21 in the opening indian super league encounter between the two teams on mondayit was ghanaian forward kwame karikari who came in as a substitute in the second half and turned the match on its head by first equalising in the 64th minute and then setting up india international rahim ali for the winner in the 83rd minutethis was after manvir singhs powerful leftfooter in the 27th minute gave the mariners 10 leadanother defeat with a poor second half show will now increase the pressure on mohun bagans coach juan ferrando who is likely to get the boot anytime during the season as the teams performance under him has been simply put below parhowever bagan started the match in a positive fashion as manvir who has fallen out of favour with national coach igor stimac played a onetwo with dimitri petratos before slotting it past chennaiyin goalie debjit majumdarbut in the second half once kwame was introduced things changed rapidly for chennaiyin as there was more thrust in the attackone such move in the 63rd minute saw kwame within a striking distance of goal but goalie kaiths rough challenge got chennaiyin a deserving spot kick which the ghanaian himself convertedwhile bagan did keep attacking there was a distinct lack of penetration in the attacking third but against the runofplay chennaiyin hit on the counterkwame got a loose ball down the wide and sprinted down before he kept a cut back for rahim whose deft rightfooted placement found the leftcorner of the net to give his team the decisive leadbagan had a chance during the dying moments when substitute liston colacos curling freekick from the edge of the 18yard box was brilliantly saved by a diving debjit