UCO Bank and Karur Vysya Bank have reduced their repo-based lending rate (RBLR) by 25 and 30 basis points respectively.UCO Bank brought down its RBLR to 8.8% and Karur Vysya Bank reduced its repo rate to 9.30% from 9.60%.The revised repo rates for both banks will be effective from April 10.Shares of UCO Bank and Karur Vysya Bank closed lower after the announcement.