## Subsidiary Company / Subsidiary [Section 2(87)]
### Definition
A 'subsidiary company' or 'subsidiary', in relation to any other company (called the holding company), means a company in which the holding company:
1. Controls the composition of the Board of Directors; OR
2. Exercises or controls more than one-half of the total voting power, either at its own or together with one or more of its subsidiary companies.
### Layers of Subsidiaries
The Central Government may prescribe such class or classes of holding companies as shall not have layers of subsidiaries beyond such numbers as may be prescribed.
### Critical Rule on Counting Shares
- Shares held by a company or power exercisable by it in another company in a fiduciary capacity shall NOT be counted for the purpose of determining the holding–subsidiary relationship.
### Two Tests at a Glance
| Test | What it checks |
|---|---|
| Composition of Board test | Does Co. A control who sits on the Board of Co. B? |
| Voting Power test | Does Co. A (alone or with its subsidiaries) hold > 50% voting power in Co. B? |
Satisfying either test is sufficient to make Co. B a subsidiary of Co. A.