Looks like Rana Kapoor has given up ambitions of being Chairman - hopefully, with him out of picture, things the clouds over Yes Bank should clear, the promoter feud should settle, and bank can start clean up in earnest.
In any case, market is overreacting. ICRA and CARE rating cuts were just delayed reaction to the news flow. Doesnt make sense for stock that had already tanked to tank further! Also, Yes Capital has nothing to do with Yes Bank - it is just the vehicle used by Rana Kapoor to hold his promoter equity. So even if there are some dicey deals in Yes Capital, in short term the confusion will get sorted out and should not have any impact on Yes Bank.
All said, this is a good opportunity to get in to Yes at good valuations.