[31] As Hyderabad continued to grow, the Multi-Modal Transport System (MMTS) had insufficient capacity for public transport, and the Union Ministry of Urban Development approved construction of the Hyderabad Metro rail project, directing the Delhi Metro Rail Corporation to conduct a survey of the proposed lines and to submit a Detailed Project Report (DPR).

[32] To meet rising public transport needs and mitigate growing road traffic in the twin cities of Hyderabad and Secunderabad, the state government and the South Central Railway jointly launched the MMTS in August 2005.

[35] In 2007, N. V. S. Reddy was appointed Managing Director of Hyderabad Metro Rail Limited,[36] and the same year, Central Government approved financial assistance of ₹ 1639 crore under a Viability Gap Funding (VGF) scheme.

[40] On 26 March 2018, the Government of Telangana announced that it would set up an SPV "Hyderabad Airport Metro Limited (HAML)", jointly promoted by HMRL and HMDA, to extend the Blue line from Raidurg to Rajiv Gandhi International Airport, Shamshabad, under Phase II after the completion of Phase I in 2020.

The bidding process was completed by July 2008 and awarded to Maytas,[41] which failed to achieve financial closure for the project as per schedule by March 2009.

The Stage 3/2 HITEC City–Raidurg section (1.3 km (0.81 mi)) of Corridor III was not initial part of phase I, it was later on added by the newly elected state government.

Earlier in 2010, All India Majlis-e-Ittehadul Muslimeen suggested an alternate route for metro in the old city through Purana pul, Muslimjung, Bahadurpura, Zoo Park, Tadbun junction, Kalapathar, Misrigunj and Shamsheergunj to Falaknuma.

[66] A 5.5 kilometres (3.4 mi)-long green line in the old city will pass through Dar-ul-Shifa, Salar Jung Museum, Charminar, Shah-Ali-Banda, Shamsheer Gunj, Jungametta and ends at Falaknuma.

[67][68] In June 2022, Hyderabad Metro Rail started a fresh survey of the Old City route from MGBS for underground utilities.

[69] The survey is through the Lidar, Global Positioning System and Inertial measurement unit and the plan is to build the elevated line alongside Musi river and center of the road.

In July 2023, Telangana Chief minister K. Chandrashekar Rao instructed the municipal administration and L&T Chairman to take forward the metro project in old city.

[82] Delhi Metro Rail Corporation (DMRC) was entrusted to give a detailed project report (DPR) for Phase II.

[83][84] Metro Rail Phase II expansion plan is for about 63 km (39 mi),[85][86] which includes providing link to Shamshabad RGI Airport.

[91] BHEL-Lakdikapul metro rail corridor is expected to pass through Miyapur, Raidurg, Khajaguda Junction, Mehdipatnam, Tolichowki and Masab tank areas.

[95][96][97] K. T. Rama Rao replied in a letter to Union Minister of Housing and Urban Affairs Hardeep Singh Puri that the rejection is discrimination against Telangana.

[105][106] Chief Minister of Telangana K. Chandrashekar Rao laid the foundation stone for Hyderabad Metro Airport Express on 9 December 2022.

[120][121] L&THMRL has set up free wifi access units for commuters at Miyapur, Ameerpet and Nagole metro stations, in association with ACT Fibernet, as part of a pilot project.

[127] The Hyderabad metro is a public–private partnership project, the total cost of this transport systems is US$ 3.07 billion which is shared by both Larsen & Toubro (90%) and the Government of Telangana (10%).

[128] In July 2022, L&T Metro Rail Hyderabad Limited came up with a unique concept of ‘Office Bubbles’ wherein it will offer remote, co-working spaces as part of its Transit-oriented development (ToD).

[131] L&TMRHL built real- estate projects like Next Galleria malls in Panjagutta, Irrum Manzil, Hitech City and Musarambagh with skywalks,[132] for generating non-fare revenues under Transit-oriented development (TOD).

[152] In order to enhance first and last mile connectivity of Hyderabad Metro Rail, Svida Mobility Pvt Ltd, an urban mobility services startup signed a Memorandum of Understanding (MoU) with the L&T Metro Rail Hyderabad Limited (L&TMRHL) with plans to scale up their feeder vehicle services.

[154] The first and last mile connectivity routes, across seven metro stations - Raidurg, Parade ground, Mettuguda, LB Nagar, Uppal, KPHB and Miyapur- use e-Autos and Tata wingers.

On 21 April 2022, Hyderabad metro launched its electric auto services in collaboration with AI-enabled ride-hailing mobility platform MetroRide.

[162] At the end of 2012, L&T Metro Rail awarded Thales a ₹7.4 billion ($US 134m) contract to provide CBTC and integrated telecommunications and supervision systems on all three lines.

[164] On 12 September 2012, Larsen and Toubro Metro Rail Hyderabad Ltd (LTMRHL) announced that it has awarded tender for supply of rolling stock to Hyundai Rotem.

[170] On 10 April 2014, the first metro train for HMR rolled out of Hyundai Rotem factory at Changwon in South Korea and reached Hyderabad in May 2014.

It also have a provision of NFC-based technology to enable usage of mobile phones as fare media and high performance machine to avoid long queues.

[176] In December 2019, Hyderabad Metro started cashless QR (Quick Response) code payment option for e-tickets through MakeMyTrip and Goibibo.

[citation needed] In 2023, the Hyderabad Metro implemented a system to collect user charges at stations with high passenger traffic to ensure effective maintenance of public washrooms.

[185][186] L&T Metro Rail Hyderabad Limited (LTMRHL) was conferred the SAP ACE Award 2015 in the 'Strategic HR and Talent Management'[187] category.