Dotnet faculties are not considered for development opening

Hi,
I have been working as a dotnet trainer in a small institute in .net 2.0 framework. though i have little exposure to 3.5, i have started attending interviews who have requirement for 2.0 framework.
i have already 6 yrs of developmetn exp and inbetween i wanted to have a break due to my family commitments.

but nowhere my resume is getting short listed the reason being faculty will not have guts to face development side work.
Though i have coding exp and still i keep working on coding at institue too i am getting rejected in the first level of resume shortlisting it self.
in big MNC 's too unfortunately the MNC where i worked earlier.
big bosses who work as HR in big companies please respond to me. i am confident in my work level. but why is it a label given to faculties?
last week i attended a small company interview everything went on well and the last round of HR round, i was asked all personal details and finaly they said no.. i did not get the reason also from them. but one thing is sure they said technical is very much fine for them...
then why faculties are rejected??

if someone can give me the advise on how to approach for personal round of interview i can best make up myself.
-Thanks
Gayathri

Rajesh's Advice on Saturday, September 03, 2011 :

Yes, this is a practical problem faced by many candidates.  But all is not lost yet.  You already have previous development experience. Modify your resume to highlight your development, problem solving/analytical skills.  Highlight your coding, project management, unit testing achievements.   Highlight any specific tools or utilities you may have coded while as a faculty.

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Gayathri said on Monday, September 05, 2011

Thanks for your kind response. I will certainly follow up what you have mentioned.

Thanks again.