Termination after test conducted for employees aged above 50 years

Respected sir, my father and 8 other is working in kasia tehsil from past 20 years,as a Assistant Wasil Waqi Navis as a seasonal employee for more than 20 years but after courts order and on the behalf of UTTAR PRADESH LIPIC NIAMAWALI 2011 ; they are appointed as a regular employee by the contemporaneous D.M. in 2015 but after 1 year 3 months new D.M. initiate the computer test for them , it is pertinent to mention that, they all are crossed the age of 50 and in their past no one is familiar with the computer so that no one qualified the test.In this regard what are the option they have?