two ways
1)pune to adilabad direct train deekshabhoomi exp but 18 hrs slow train then from their 118 km appx which is too long adilabad-asifabad bus
2) take two trains pune to secundrabad(sc) , sc to bellapalli or sirpur kagaznager
asifabad to bellmapalli just 44 kms
asifabad...
more... to sirpur just 57kms
so trains link for u for month end
pune -bbs exp jan 28 , arriva in sc 9.30hrs pm then take dakshin exp to either bellmaplli/sirpur book blank paper tkt
ltt-vskp exp any dates jan 29,30,31 etc till sc , from there book
book sc-ngp exp on friday jan 29 as link train
sc-dharbanga as link train jan 30 etc
as per your choice