AT&T said in a statement it has filed applications with the Department of Telecom for a Unified Access Service License (UASL) to start services in all 22 circles of India.
"This is an important step toward participating in India's upcoming spectrum allocation proceedings," it said.
AT&T is extending its partnership with Mahindra Telecommunications Pvt Ltd, through its local unit AT&T India, to apply for the UASL, the company said.
AT&T already has licences to provide NLD and ILD services. Tulip also has NLD and ILD licence.
A Hinduja TMT official said the company will be applying for the license after its board took a decision on it. Omaxe officials also said the company would submit its application.
At least 13 companies have submitted more than 230 applications for telecom licences and most of these are for a pan-India UASL. DLF and Omaxe join other real estate firms Indiabulls Real Estate, Unitech and Parsvnath Developers to apply for telecom licence.
Other companies who have applied for licences include Swan and Cheetah Telecom, JSW Steel, HFCL and Ruias-backed BPL Mobile.
The companies rushed to apply for a telecom licence when DoT said on September 24 it will not accept applications after October 1.