I was terminated by an MNC W/O informing in Person last feb 2007,as i had quit the job in sept 2006?

Hi I am Mr J Ramappa was working as a Software Engineer for arround 2 years in an Organisation by name BAeHAL Software Ltd,Airport Lane,HAL Estate,Airport Road,Bangalore.i was terminated by the said company in Feb 2007 as i was forced to quit the job as i was not in a position to work due to viral fever. i had viral attacked in jully 2006 and onwords i have taken two repeated leaves of 20 days each.my DGM has asked me to report back if i want the job.immediately i was reported back and found in 1 or 2 days that Im not able to work i was slow in work.work load was too much,we were 2 of us in the team the other person was gone to the office ( BAeHAL Software Ltd,Bangalore) ( we were working on deputation in HAL,Bangalore).when the pressure to perform was mounting inspite of having ill health,i said my colleague who is also the team lead " i am leaving for the day".and never turned back to the office.they tried to call me on my cell i didnot receive it.they have sent me an e-mail on sept2006 to report to the duty before 19th oct 2006.but i did not went back to them.they sent me a termination letter stating that "unauthorised absensee from the duty " in feb 2007.i went to them asking for relieving letter and experience letter for that they (HR) has told me that "once terminated there will not be any further communication with the candidate".im jobless from the past 2 years and 2 months and i have attended arround 72 interviews in arround 34 companies in Bangalore in the last 2 year and months.what do u think that i can do next.Hi I am Mr J Ramappa was working as a Software Engineer for arround 2 years in an Organisation by name BAeHAL Software Ltd,Airport Lane,HAL Estate,Airport Road,Bangalore.i was terminated by the said company in Feb 2007 as i was forced to quit the job as i was not in a position to work due to viral fever. i had viral attacked in jully 2006 and onwords i have taken two repeated leaves of 20 days each.my DGM has asked me to report back if i want the job.immediately i was reported back and found in 1 or 2 days that Im not able to work i was slow in work.work load was too much,we were 2 of us in the team the other person was gone to the office ( BAeHAL Software Ltd,Bangalore) ( we were working on deputation in HAL,Bangalore).when the pressure to perform was mounting inspite of having ill health,i said my colleague who is also the team lead " i am leaving for the day".and never turned back to the office.they tried to call me on my cell i didnot receive it.they have sent me an e-mail on sept2006 to report to the duty before 19th oct 2006.but i did not went back to them.they sent me a termination letter stating that "unauthorised absensee from the duty " in feb 2007.i went to them asking for relieving letter and experience letter for that they (HR) has told me that "once terminated there will not be any further communication with the candidate".im jobless from the past 2 years and 2 months and i have attended arround 72 interviews in arround 34 companies in Bangalore in the last 2 year and months.what do u think that i can do next.