| Blue Line |
| Pre-Construction Activity |
| Tendering | Section | Activity | Successful Bid /Cost | Contractor | Award |
| Phase-2A/ORR/2018/Demolition/DLN-9/35 | Central Silk Board to K. R. Pura | Demolition | crore (US$260,000) | B R Chawla Demolition | 12 Oct 2018 |
| Phase-2A & 2B/Via & Stns /PMC/2020/72 | Central Silk Board to KIAL | Project Management Consultant | crore (US$2.4 million) | RITES | 17 Dec 2021 |
| Phase-2A&2B/DDC/Sec-1 | Central Silk Board - HBR Layout | Detailed Design Consultant | crore (US$980,000) | SMEC International | 07 Feb 2020 |
| Phase-2A&2B/DDC/Sec-2 | HBR Layout - KIAL Airport | Detailed Design Consultant | crore (US$740,000) | AECOM – CEG JV | 12 Feb 2020 |
| Airport Depot & Byp Depot/DDC/2021/76 | Baiyappanahalli & Airport Depot | Detailed Design Consultant | crore (US$470,000) | AECOM – CEG JV | 16 Sept 2021 |
| CE-US/ELE/EHV/ORR/PH-2A | Central Silk Board to K.R. Pura | Conversion of Electrical Lines | crore (US$2.3 million) | Rahul Cables | 13 May 2022 |
| Miscellaneous | KR Pura - KIAL Airport | crore (US$1.1 million) | Various | 19 Dec 2020 |
| Total | crore (US$8.2 million) | |
| Civil Work |
| Tendering | Section | Length | Successful Bid /Cost | Contractor | Award |
| Package 2A/P1/60(a) | Central Silk Board - Kodibeesanahalli | 9.859 km (6.126 mi) | crore (US$93 million) | Afcons | 25 May 2021 |
| Package 2A/P2/60(b) | Kodibeesanahalli - KR Pura | 9.774 km (6.073 mi) | crore (US$74 million) | Shankaranarayana | 25 May 2021 |
| Package 2B/P2/69(a) | KR Pura - Kempapura | 11.003 km (6.837 mi) | crore (US$87 million) | NCC | 17 Nov 2021 |
| Package 2B/P2/69(b) | Kempapura - Bagalur Cross | 11.678 km (7.256 mi) | crore (US$88 million) | NCC | 17 Nov 2021 |
| Package 2B/P2/69(c) | Bagalur Cross - KIAL Terminals | 15.011 km (9.327 mi) | crore (US$80 million) | NCC | 17 Nov 2021 |
| Veerannapalya Station | crore (US$4.2 million) | URC Constructions | 07 Feb 2025 |
| Total | 58.19 km (36.16 mi) | crore (US$430 million) | |
| Depot Work |
| Tendering | Successful Bid /Cost | Contractor | Award |
| Remodelling Baiyappanahalli Depot | crore (US$29 million) | J Kumar – AICPL JV | 18 Mar 2023 |
| Airport Depot | crore (US$22 million) | J Kumar – AICPL JV | 18 Mar 2023 |
| Total | crore (US$51 million) | |
| Architectural Finishing Works |
| Tendering | Successful Bid /Cost | Contractor | Award |
| Package 2A-A1 | Central Silk Board - Kadubeesanahalli | crore (US$7.8 million) | MR Constructions | 16 Dec 2024 |
| Package 2A-A2 | Kodibeesanahalli - KR Pura | crore (US$7.9 million) | Godrej & Boyce | 09 Nov 2024 |
| Phase-2B/Arch. Works/A2/RT/2025/136 | Hebbal - Doddajala | Bidding Underway |
| Phase-2B/Arch. Works/A1/2025/129 | Kasturi Nagar - Kempapura | Tenders under evaluation |
| Total | crore (US$16 million) | |
| Miscellaneous |
| Tendering | Successful Bid /Cost | Contractor | Award |
| Land Acquisition | ₹2,762 crore (US$330 million) | N/A | 2020 |
| Phase-2A and 2B/Plantations/2023/95 | Plantation and Maintenance of Trees | crore (US$860,000) | Various | 28 Mar 2023 |
| Phase-2A and 2B/Track Work/2022/93 | Ballastless Track Work | crore (US$59 million) | Larsen & Toubro | 02 Jun 2023 |
| 5RS-DM | Rolling Stock (222 Coaches) | crore (US$260 million) | BEML | 08 Aug 2023 |
| Phase-2A & 2B/Turnouts /2023/101 | Track Turnout | crore (US$3.5 million) | Vossloh | 22 Mar 2024 |
| EPC6-CC | Engineering, Supply, Erection, Testing and Commissioning of Power Supply | crore (US$29 million) | KEC International | 10 Jun 2024 |
| EPC5-CC | 750V DC Third Rail electrification | crore (US$90 million) | Siemens – RVNL JV | 11 Jun 2024 |
| Signalling System (CBTC) & PSD | crore (US$65 million) | Alstom | 12 Jun 2024 |
| Phase II/ 9 ESCAL - DM | Elevators & Escalators | crore (US$24 million) | Johnson Lifts | 6 Feb 2025 |
| E&M-6 | Electrical & Mechanical | crore (US$23 million) | Jakson | 7 Feb 2025 |
| Phase II/6 ELEV-DM | Machine Room Less Gearless Elevators | crore (US$5.4 million) | | 20 Mar 2025 |
| Phase-2B/Arch. Works/A1/2025/129 | Automatic Fare Collection System | Tenders Under Evaluation |
| Total | crore (US$880 million) | |
| Total Line Cost | crore (US$1.4 billion) | |