Biman's cabin crew recruitment

It was very heartening news that Biman is adding another Boeing 777 to its fleet in the first week of February and one more in March. With this increase in fleet Biman advertised to recruit more cabin crews to meet the shortage. What is the response to Biman' s ad is not known to me but I recollect that for the last year Hajj flights Biman had advertised for recruiting 90 experienced cabin crews for wide bodied aircrafts on casual basis. Around 45 Bangladeshi experienced personnel could be found and were inducted into service for the Hajj flights. After the Hajj flights were over in November 2013 these casual cabin crews were said goodbye as per contract. I was wondering why these experienced cabin crews cannot be recruited again as they had come forward at the time when Biman had crisis for more cabin crews for Hajj flights. I think Biman would be doing injustice if these experienced cabin crews are not taken back into service.  Some of them may be bit over aged and in their mid thirties but they have better experience of working in reputed foreign airlines and can render good service to the national carrier. I hope Biman will make more concession in its cabin crew recruitment policy.
Ziauddin Ahmed
Gulshan, Dhaka