IRB Infrastructure Developers has received 'letter of award' from the National Highways Authority of India for four laning the Yedeshi-Aurangabad section of NH-211 totalling about 190 km. The estimated cost of the toll project is Rs 3,200 crore and it will be executed on design, build, finance operate and transfer basis. The construction period is 910 days and the concession period 26 years.