The Swargate-Katraj underground Metro extension in Pune is set for a significant cost escalation following the proposal to add two new stations at Balajinagar and Market Yard. The revised plan increases the total project cost to Rs 3.64 billion from the earlier estimate of Rs 2.95 billion. The expansion aims to improve last-mile connectivity and cater to the growing commuter demand in one of Pune’s busiest corridors. The proposal has been approved by the Pune Municipal Corporation (PMC), which will now contribute Rs 250 million towards the project instead of the originally allocated Rs 181 million, reflecting an increased financial commitment to the city’s public transport infrastructure. The Swargate-Katraj Metro extension is a crucial part of Pune’s larger urban mobility plan, designed to ease congestion on the city’s arterial roads. The 5.4-km underground corridor, initially planned with three stations, will now feature five, enhancing accessibility for thousands of daily commuters. The addition of Balajinagar and Market Yard stations is expected to improve connectivity for residential and commercial areas, ensuring more efficient transportation and reducing dependence on private vehicles. Pune’s Metro network has been evolving as a sustainable solution to the city’s growing traffic woes, with authorities focusing on multi-modal integration to streamline urban travel. The increased project costs are attributed to the complexities of underground construction, land acquisition, and inflation in material and labour expenses. Underground metro projects typically require significant investment in tunnelling, station infrastructure, and advanced safety mechanisms, all of which contribute to higher expenditure compared to elevated corridors. However, underground routes offer long-term benefits such as minimal land disruption, preservation of existing road networks, and enhanced reliability in densely populated urban zones. India’s metro expansion strategy has witnessed rapid growth in recent years, with multiple cities investing in mass transit to combat urban congestion and pollution. Pune’s Metro is part of a broader national push towards sustainable transport under initiatives like the Smart Cities Mission and Atmanirbhar Bharat. The Swargate-Katraj extension aligns with global trends in metro development, where city authorities prioritise underground expansion to optimise space usage and improve commuter experience. With an estimated rise in Pune’s population and economic activities, the metro system is expected to play a critical role in shaping the city’s transport landscape, ensuring efficient, environment-friendly, and future-ready urban mobility solutions.