Chennai, July 25 -- Prime Minister Narendra Modi will inaugurate several major development projects in Tamil Nadu during his visit to Thoothukudi on Saturday, including key railway electrification and doubling works amounting to Rs.1,030 crore.

The PM will dedicate three significant railway infrastructure projects to the nation: the electrification of the 90 km Madurai-Bodinayakkanur line, doubling of the 21 km Nagercoil Town-Kanniyakumari stretch under the Thiruvananthapuram-Kanniyakumari corridor, and doubling of two additional sections-Aralvaymozhi-Nagercoil Junction (12.87 km) and Tirunelveli-Melappalaiyam (3.6 km).

The doubling of tracks in Tirunelveli and Kanniyakumari aims to significantly strengthen rail connectivity across sout...