With doubling works having been completed, the CORE would speed up the overhead electrification works and the plan was to complete electrification works by June, said a CORE official.
It was awaiting the completion of the track doubling works from Solagampatti to Thanjavur.
The completion of the track doubling works is now expected to give a push to the ongoing overhead electrification works in the Tiruchi - Thanjavur broad gauge section.
The entire doubling project from Ponmalai to Thanjavur has been completed at a cost of around ? 400 crore, said the official.
The Central Organisation of Railway Electrification (CORE) is presently carrying out electrification works from Tiruchi to Solagampatti.