Majority of the directors on the board of the entity shall be Indian citizens.
"CHAPTER 3: GENERAL CONDITIONS ON FDI [...]
3.4   ENTRY ROUTES FOR INVESTMENT 3.4.1 Investments can be made by non-residents in the equity shares/fully, compulsorily and mandatorily convertible debentures/fully, compulsorily and mandatorily convertible preference shares of an Indian company, through the Automatic Route or the Government Route. Under the Automatic Route, the non-resident investor or the Indian company does not require any approval from Government of India for the investment. Under the Government Route, prior approval of the Government of India is required. Proposals for foreign investment under Government Route, are considered by respective Administrative Ministry/Department. 
[...]
3.5   CAPS ON INVESTMENTS
3.5.1 Investments can be made by person resident outside India in the capital of a resident entity only to the extent of the percentage of the total capital as specified in the FDI policy. The caps in various sector(s) are detailed in Chapter 5 of this Circular. 
3.6   ENTRY CONDITIONS ON INVESTMENT
3.6.1 Investments by non-residents can be permitted in the capital of a resident entity in certain sectors/activity with entry conditions. Such conditions may include norms for minimum capitalization, lock-in period, etc. The entry conditions in various sectors/activities are detailed in Chapter 5 of this Circular.
[...]
5.2 PERMITTED SECTORS
a) In the following sectors/activities, FDI up to the limit indicated against each sector/activity is allowed, subject to applicable laws/regulations; security and other conditionalities. In sectors/activities not listed below, FDI is permitted up to100% on the automatic route, subject to applicable laws/regulations; security and other conditionalities. [...]
c) Foreign investment in sectors under Government approval route resulting in transfer of ownership and/or control of Indian entities from resident Indian citizens to nonresident entities will be subject to Government approval. Foreign investment in sectors under automatic route but with conditionalities, resulting in transfer of ownership and/or control of Indian entities from resident Indian citizens to non-resident entities, will be subject to compliance of such conditionalities. 
[...]
5.2.14 TELECOM SERVICES
Sector/Activity | % of Equity/FDI Cap | Entry Route
Telecom Services (including Telecom Infrastructure Providers Category-I) All telecom services including Telecom Infrastructure Providers Category-I,  viz. Basic, Cellular, United Access Services, Unified License (Access Services), Unified License, National/International Long Distance, Commercial V-Sat, Public Mobile Radio Trunked Services (PMRTS), Global Mobile Personal Communications Services (GMPCS), All types of ISP licenses, Voice Mail/Audiotex/UMS, Resale of IPLC, Mobile Number Portability Services, Infrastructure Provider Category-I (providing dark fibre, right of way, duct space, tower) except Other Service Providers. | % of Equity/FDI Cap: 100% | Entry Route: Automatic up to 49% & Government route beyond 49%
5.2.14.1 OTHER CONDITION FDI in Telecom sector is subject to observance of licensing and security conditions by licensee as well as investors as notified by the Department of Telecommunications (DoT) from time to time, except “Other Service Providers”, which are allowed 100% FDI on the automatic route. [...]" (Government of India/Ministry of Commerce and Industry (2020), Consolidated FDI Policy (Effective from October 15, 2020))
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"Subject: Review of Foreign Direct Investment (FDI) Policy on Telecom Sector. 
The Government of India has reviewed the extant FDI policy on Telecom sector and has made the following amendment under the Consolidated FDI Policy Circular of 2020, as amended from time to time (FDI Policy): Para 5.2.14 of the FDI Policy is amended to be read as under: 
5.2.14 TELECOM SERVICES
5.2.14.1 Telecom Services (including Telecom Infrastructure Providers Category-I) All telecom services including Telecom Infrastructure Providers Category-I, viz. Basic, Cellular, United Access Services, Unified license (Access services), Unified License, National/International Long Distance, Commercial V-Sat, Public Mobile Radio Trunked Services (PMRTS), Global Mobile Personal Communications Services (GMPCS), all types of ISP licenses, Voice Mail/Audiotex/UMS, Resale of IPLC, Mobile Number Portability services, Infrastructure Provider Category-I (providing dark fibre, right of way, duct space, tower), Other Service Providers and such other services as may be permitted by the Department of Telecommunications (DoT). | % of Equity/FDI Cap: 100% | Entry Route: Automatic
It is clarified that notwithstanding the provisions of Para 5.2.14 of the FDI Policy as amended above, foreign investment in Telecom Services will be subject to the provisions of Para 3.1.1 of the FDI Policy [as amended vide Press Note 3 (2020 Series) dated 17.04.2020]. Accordingly, cases requiring prior Government approval under the provisions of Para 3.1.1 of the FDI Policy [. investment by bordering countries], will continue to be on the Government route. [...]" (Government of India/Ministry of Commerce & Industry (2021), Press Note No. 4 (2021 Series))
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"Subject: Enhancement of the Foreign Direct Investment ceiling from 49 per cent to 74 per cent in the Telecom sector – revised guidelines 
1. The Government, vide Press Note 5 (2005 Series) dated 3.11.2005, had notified the enhancement of Foreign Direct Investment (FDI) limits from 49 per cent to 74 per cent in certain telecom services subject to specified conditions.
2. The Government has on a review of the policy in this regard, decided to enhance the Foreign Direct Investment limit from 49 per cent to 74 percent in telecom services subject to the following conditions [...]
B. Security Conditions:
(i) The Chief Officer Incharge of technical network operations and the Chief Security Officer should be a resident Indian citizen. [...]
(vi) The majority Directors on the Board of the company shall be Indian citizens. [...]" (Government of India/Ministry of Commerce & Industry (2007), PRESS NOTE NO.   3   (2007 SERIES) )
Government of India/Ministry of Commerce and Industry (2020), Consolidated FDI Policy (Effective from October 15, 2020)
Government of India/Ministry of Commerce & Industry (2021), Press Note No. 4 (2021 Series)
Government of India/Ministry of Commerce & Industry (2007), PRESS NOTE NO.   3   (2007 SERIES)
LICENSE AGREEMENT FOR UNIFIED LICENSE
[<a href="https://dpiit.gov.in/sites/default/files/FDI-PolicyCircular-2020-29October2020_0.pdf">Policy</a>],[<a href="https://dpiit.gov.in/sites/default/files/pn4-2021.PDF">PN</a>],[<a href="https://dpiit.gov.in/sites/default/files/pn3_2007_0.pdf">PN</a>],[<a href="https://dot.gov.in/sites/default/files/Updated%20UL-AGREEMENT%20up%20to%2031%20Mar%2023.pdf?download=1">Agreement</a>]