let me explain you
chennai - nizamuddin - chennai garibrath leaves chennai on every saturday at morning 06:05 am and returns chennai on tuesday evening at 08:40 pm. it lies idle in chennai yards on wednesday,thursday,friday
and thus i made this WEEKLY train between chennai and Visakhapatnam using above rake
now...
more... how can this made triweekly when rake is available on wednesday,thursday,friday?