Bengaluru traffic congestion: CM D K Shivakumar defends the Mehkri-Hebbal Integrated Corridor project, stating alternative routes are essential. Bengaluru:The Mehkri–Hebbal Integrated Corridor, a project taken up by the Bangalore Development Authority (BDA), will be completed within 18 months, Chief Minister D K Shivakumar said on Monday, adding that the project was aimed at easing congestion on Ballari Road..Responding to criticism, Shivakumar said alternative routes were essential to address Bengaluru’s traffic problems.