IRB Infrastructure Developers Limited has received Letter of Award from NHAI for the project of Development of Six Laning of Chittoor-Thachur road from km. 96.040 (Pondavakkam) to km. 116.100 (Kannigaipair) on Hybrid Annuity mode under Bharatmala Pariyojana, in the state of Tamil Nadu (Package-IV).