well, contact the Turkish embassy as info regarding visa requirements, fees always change.
http://doha.emb.mfa.gov.tr/

Postal address:
Dafna- Al Istiqlal Street
Doha- Qatar
P.O. Box: 1977

Telephone:+974 495 13 00

Fax:+974 495 13 20

e-Mail: [email protected]

Working Hours:
Sunday - Thursday
09:00 -12:00