no BRP letter received

[manish11]

. Type of application: Tier-2 ICT extending
2. If switching, category changing: NA
3. Date of expiry of current leave: 15/03/2013
5. Date application posted: 18/01/13 (online)
6. Date application received at UKBA: docs posted 21/01/2013 (agency)
7. Date payment debited: 18/01/2013
8. Payment mode : N/A
9. Acknowledgement letter received: No(agency)
10. Biometric letter received: Awating
11. Date of biometrics enrollment: Awating
12. Date of approval: awaiting
13. Date of return of passport and other documents: awaiting
14. Date (new) leave to remain valid from: NA
15. Date BRP received: awaiting

[Gagan1986]

It doesn't have a specific time scale. Just random. Expect it anytime between now and end of next month