Can I apply for post of Pilot examination organized by Indian air force after passing BE ECE course

yes after passing BE ECE you can apply for post of Pilot examination organized by Indian air force .. here I am giving you information about required eligibility for IAF pilot post :

Minimum Educational Qualification for IAF Pilots:
You have to passed BSc {Physics/Maths) 3 years or BSc (General) 3 years with Physics and Maths from a well recognized university .
OR
BE 4 years course

Age limit for IAF Pilots :
19 to 23 years on the 1st of the month of commencement of the course.

Physical Standards for Male IAF Pilots:
Height: 162.5 cms
Leg Length: Not less than 99 cms and not more than 128 cms,
Chest: fully expanded chest should not be less than 82 cms with 5 cms expansion.
Physical Standards for Female IAF Pilots:
Height: 162.5 cms
Leg Length: Between 99 cms and 120 cms.