few coaches of the train were amalgamated and bifurcated at karur for madurai, numbered as 6531a6532a. after changing the train number from 65316532 to 62316232, it was first extended to mysuru, then to thanjavur and then to kumbakonam in 2004 later it was extended to myladuthurai.there are certain alligations that this train was announced for bangalore to nagore, but however there are no official evidance for such information, the train number was changed from 62316232 to 68316832 as the service was transferred from mysore railway division to tiruchirappalli railway division with stoppage at maddur was cancelled. the tiruchi–nagore service was trimmed for the execution of gauge conversion in the tiruchi–nagore section, sanctioned in 1995–1996 railway budget. as the tiruchi–thanjavur part was completed in 1998, the service again extended back to thanjavur. after the completion of gauge conversion thanjavur–kumbakonam section in chennai egmore–thanjavur line, lalu prasad yadav, the then railway minister extended the service up to kumbakonam, which was effected since 9 january 2006 along with change in train number from 68316832 to 62316232. further, the service was extended up to , and was effected since 17 june 2006. the train number was changed from 62316232 to 1623116232 since december 2010 onwards as a part of train management system over the entire indian railways network.