New Delhi, July 17 -- Toll revenues at Sadbhav Infrastructure Projects Ltd, the country's largest private sector road assets operator, rose by a mere by 2.3% year-on-year (yoy) in the June quarter. This growth pales in comparison to 13.9% reported in the year-ago period. Revenue growth has been slipping in the past few quarters - from 12.5% in the September quarter to 6.2% and 7.3% in the December and March quarters respectively. This underscores the weakness in the economy and the resultant drop in movement of road traffic....