[1] GMR Group owns, develops, operates, and manages airports, major energy utilities, highways, and urban infrastructure facilities.

[2] GMR Group chairman Grandhi Mallikarjuna Rao, a first-generation entrepreneur hailing from Rajam in Srikakulam District in Andhra Pradesh, pledged $340 million, which is equivalent to his personal share in the infrastructure conglomerate, to improve education among the under-served sections of the society.

[3] The company started with agri-based industries like jute, sugar, and breweries and has slowly moved into the infrastructure space over the past decade.

In the year 2020, the group signed the concession agreement to commission, operationalize, and maintain the Civilian Enclave at the Bidar Airport in Karnataka.

[4] In April 2021, GMR Group announced the launch of GMR Hyderabad Airport City,[5] which is proposed to be the largest aerotropolis in India spread across 1,500-acre (6.1 km2) around Rajiv Gandhi International Airport,[6] and is being billed as an "integrated ecosystem covering Office Space, Retail, Leisure, Entertainment, Hospitality, Education, Healthcare, Aerospace & Logistics".

[7][8] During foundation laying ceremony of Hyderabad Airport Metro Express on 9 December 2022, GMR Group contributed ₹625 crore (US$72 million), or 10 percent of the project's cost.

[citation needed] GMR Aero Academy (GMRAA) was established at the Rajiv Gandhi International Airport, Shamshabad, Hyderabad in 2009.

In the Urban structure business, the GMR group is currently developing an 850- hectare large format 'Special Investment Regions' (SIR) at Krishnagiri, near Hosur in Tamil Nadu.

In railways, GMR has a total order book of 4,000 Crores with projects from clients like Dedicated Freight Corridor Corporation of India (DFCCIL) and Rail Vikas Nigam Limited (RVNL).