4. Investment in subsidiary undertakings

As of

31 March 2026

$m

31 March 2025

$m

Cost

Opening balance

3,533

3,533

Additions

Carrying cost at 31 March

3,533

3,533

Bharti Airtel International (Netherlands) B.V.

3,533

3,533

Airtel International LLP

0

0

Airtel Africa Services (UK) Limited

0

0

Airtel Africa Telesonic Holdings Limited

0

0

Nxtra Africa Data Holdings Limited

0

0