| iv. | The major categories of plan assets as a percentage of the fair value of the total plan assets are as follows: |
| As of December 31, | ||||||||
| 2016 | 2017 | |||||||
|
Cash |
21 | % | 25 | % | ||||
|
Equity instruments |
45 | % | 43 | % | ||||
|
Debt instruments |
27 | % | 26 | % | ||||
|
Others |
7 | % | 6 | % | ||||