Recruitment for backlog post..

Dear sir,I am Ashok S Naik from Karnataka sir in 2012 there was backlog recruitments in some of aided polytechnics n I applied for 2 colleges.after 3 months college1 selected me and for the same Govt has given me approval and I am working since dec7,2013 till date in junta(Uttar Kannada district).but in 2014 other college I,e college 2 has sent me a letter that I have selected there too.then govt has sent me a letter asking for my preference of working.then I gave in writing that, will prefer to work in second college ie college 2.but after some days govt is denying and preferring next to me candidate for the post.they say once I gave resign to this present backlog post,it is no longer remains as backlog post n further they say by doing such, backlog recruitment score will decreses. the problem is I am now 40 yrs old n doesn't ve any option to apply for other jobs n have my old mother,wife and kids who were there in my village which is 400kms from here.the college 2 is very near to my native.I tried my family to shift in present working place for 1 yr but the weather was not suited them n often they were undergone illness.. Sir dint I have the option to work according my wish. So sir how can get job in college no 2.plz lighten on this.. I will b very much thankful to you... It's truely Ashok S Naik