The e-tender portal in AAI is available w.e.f. 01/02/2017 on two portals namely e-TAPS & NIC-CPP portal based on the tender notifications, bidder may select the appropriate link as given below:

Notification (w.e.f 23/02/2017)
Helpdesk Support
FAQ
Bidder Manual Kit
System Settings
Instructions related to CPPP
Rules and Procedures
Purchaser Manual (For AAI Users)
Salient Points CPPP (For AAI Users)
e-Procurement(Old)
e-TAPS
External Users Click Here
( For Bidder )
Internal Users Click Here
( For AAI Users )