SER mighty giant 12841 coromandel is burning the tracks in bza-mas section after being late by more than 2 hrs.. yesterday it started late from hwh by 1 hrs 45 mins due to some problems in hwh kgp section of ser.. all the trains of this section were delayed yesterday afternoon.. coro is trying hard to cover the delay and covered 238 kms in 168 mins with an average speed of 85 kmph..