The New Pension Scheme have two tiers- Tier – I and II. Contribution to Tier –I is mandatory, whereas contribution to Tier –II is optional and at the discretion of employees. In Tier – I, employees will have to make contribution of 10% of their basic pay plus DA, which is deducted from salary bill every month by PAO concerned. The Samiti make an equal matching contribution. No withdrawal is permissible from Tier – I account.