The lowest bids for the construction of two underground tunnelling packages (DC-09 and DC-08) for the 65.1 km Silver Line of the Delhi Metro Phase 4 project were submitted on Thursday by Larsen and Toubro (L&T) and J Kumar Infraprojects.

Afcons Infrastructure and Tata Projects Ltd (TPL) were originally awarded both civil contracts in November-December 2021. Because their bids were much higher than the Delhi Metro Rail Corporation's (DMRC) expectations, all eligible bidders were asked to submit revised financial proposals.

Both packages have a deadline of 42 months and are backed by a Japan International Cooperation Agency (JICA) Official Development Assistance (ODA) loan of Rs 8,390 crore. TPL was the original winner with a cost estimate of 1349 crores.

Aerocity, Mahipalpur, Vasant Kunj, and Kishangarh are the four stations on this 6.116-km section of the 23.622-km Silver Line that runs from Aerocity to Kishangarh.

This 6.51-km section, which runs from Kishangarh Station's east end chainage 5356.285 to a ramp chainage 11867.000 west of Saket G Block Station, will pass through four stations: Chhattarpur interchange with Yellow Line, Chhattarpur Mandir, IGNOU, and Neb Sarai.

The initial estimate for DMRC was 1428 crores, and the original winner was Afcons Infrastructure.

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