Chandigarh, Jan. 16 -- Chugging at a slow pace for four years since its revival, the Tricity Metro project now appears to have slipped into uncertainty.

Having completed preliminary technical and feasibility studies, the Rail India Technical and Economic Services (RITES) has repeatedly approached the UT administration for approvals needed to move the proposal forward, but has received nothing but silence.

The prolonged lack of response from the administration has raised serious questions about the administration's intent to pursue the ambitious mass rapid transit system, even as traffic congestion and mobility challenges in the tricity continue to mount.

RITES, a Government of India public sector undertaking under the ministry of railw...