If Tumkuru-CTA-DVG line happens then CTA problem connecting to SBC trains will be solved for some extent and remaing HPT,BAY connection this New line Rayadurg to tumkur can give short connection to SBC for BGK BJP GDG Yalvigi connection give shortcut but doubtful as UBL cant be skipped but imp CTA & HPt BAY gett connections to SBC thats great