Independent Engineer services during Operation & Maintenance Period for ( i ) 4- laned Stand Alone Ring Road/ Bypasses for Nagpur City – Package – I from Km. 0. 500 to Km. 34. 000 ( Total length – 33. 500 Km. ) and ( ii ) 4- laning Stand Alone Ring Road/ Bypasses for Nagpur City – Package – II from Km. 34. 000 to Km. 62. 035 ( Total length – 28. 035 Km. ) in the State of Maharashtra on BOT ( Hybrid Annuity ) basis- Consultancy Package No. IE- O & M/ ORR/ NAG- 23