The LKT Engineering Consultants - Enia Design JV was announced as the low bidder for the Detailed Design Consultant (DDC) contract for Mumbai Metro's 20.75 km Line-12 (Orange Line), which will connect Kalyan - Dombivali - Taloja via 17 stations. The Mumbai Metropolitan Region Development Authority (MMRDA) plans to build Line-12 as a southern elevated extension of the partially completed 24.95 km Line-5 (Thane - Bhiwandi - Kalyan) at a cost of Rs 4,132 crore. MMRDA has invited proposals for this consultant contract in December 2022, with an estimated cost of Rs. 11.28 crore and a contract length of four years. In March, technical bids were opened, revealing six bidders. Egis Rail - Egis India JV and MM S.p.A - SMEC JV were disqualified for failing to present papers required to meet the minimum work experience eligibility criteria. Financial Bid Values MMRDA’s Brief Scope: Engagement Of Detail Design Consultant DDC for Architectural and Building Services Including E And M Works And Civil Works For Depot, Stations, Staff Quarters, Occ and Auxiliary Structures for Metro Line 12 Kalyan-Taloja Of MMRDA Ganesh Nagar, Pisvali Gaon, Golavali, Dombivli MIDC, Sagaon, Sonarpada, Manpada, Hedutane, Kolegaon, Nilaje Gaon, Vadavali, Bale, Waklan, Turbhe, Pisarve Depot, Pisarve, Taloja are among the 17 stations proposed. The LKT-Enia JV's bid of Rs. 6.51 crore was significantly lower than MMRDA's estimate of Rs. 11.28 crore, implying that a contract should be awarded in the next weeks without a lengthy financial bid evaluation phase. Line-10 and Line-12's General Consultant contract was awarded to SYSTRA MVA Consulting - DB Engineering & Consulting JV in December 2022. In May, 11 construction firms filed 19 proposals for the civil construction of the line, which was divided into two packages: CA-195 (Kalyan - Kolegaon) and CA-186 (Kolegaon - Taloja).