Inter-service transfer (e.g., IPS → IAS) is not allowed — you cannot change your service after joining. Inter-cadre transfer within the same All India Service is allowed only on narrow grounds: marriage to another AIS officer (most common), or extreme hardship like a serious medical or security threat. Transfer to your home state is explicitly barred. After the 23 Jan 2026 DoPT OM, the cadre group itself is sticky — your only legitimate route to change service is a fresh CSE attempt.
This question comes up in almost every interview prep group, usually framed as: 'If I get IPS this time, can I shift to IAS later by improving my rank or by some internal route?' The honest answer is no — and here is why.
1) You cannot switch services
There is no provision in the All India Services Act, 1951 or the IAS/IPS/IFoS (Cadre) Rules to migrate from one service to another. The only legitimate route is to re-attempt the CSE within the age and attempt limits and earn a higher rank for the desired service. Many officers do exactly this — write CSE while in service.
The most famous recent case is Aditya Srivastava, who joined IPS at AIR 236 (CSE 2022), trained at SVPNPA, and then secured AIR 1 in CSE 2023 to migrate to IAS-UP. He resigned from IPS after the 2023 result; he could not have 'transferred' across.
2) You can change cadre — but rarely
Under the consolidated DoPT guidelines on change of cadre of All India Service officers, an inter-cadre transfer is permitted only in these situations:
| Ground | Conditions | Approving authority |
|---|---|---|
| Marriage to another AIS officer (IAS/IPS/IFoS) | Both officers apply; receiving cadre's NOC; not to home state of either | Secretary, DoPT (delegated) |
| Extreme medical/security hardship | Severe threat to life or climate-linked medical condition | Appointments Committee of Cabinet (ACC) |
| Public interest (rarest of rare) | Documented Union-level justification | ACC |
Marriage to an officer of a Central Service (IFS, IRS, IAAS etc.), State Service, PSU, judiciary or any other organisation does not entitle an AIS officer to an inter-cadre transfer.
3) Cadre-group rigidity post-2026
Under the 23 January 2026 DoPT OM, all states are grouped alphabetically into four Groups (I-IV), replacing the 5-Zone system. Inter-cadre transfer requests now also have to be feasible within this new grouping. Movement within a Group is more likely than across Groups; cross-Group transfers face additional scrutiny.
4) Deputation is not a transfer
Many officers serve outside their cadre on central deputation (Central Staffing Scheme), or on state deputation, or to international bodies — these are temporary and they return to their parent cadre. This is what gives the system its flexibility without breaking the cadre principle.
Typical deputation tenures:
- Central deputation: 4-7 years (extendable to a single tenure).
- State deputation between cadres: rare, case-by-case.
- International (UN, World Bank, IMF, WTO): up to 5 years on lien.
5) Worked scenario — IPS with AIR 180, dreaming of IAS
Let's say you accept IPS-Bihar at AIR 180 in CSE 2026. You have age and attempts left. The honest math:
- Probation eats ~2 years (SVPNPA + Phase II).
- Realistically, you can take 2-3 more CSE attempts while serving as an ASP, with study windows of 4-6 months each.
- Aditya Srivastava cracked it in his 3rd attempt as a serving IPS probationer — proof it can be done.
- The risk: if you don't crack a top-100 rank again, you have spent 4 years in IPS while underperforming as a probationer; SVPNPA's probation reports do affect early promotions.
Most mentors advise either committing fully to IPS or one focused re-attempt within 18 months of joining.
Mentor tip: Plan as if your service and cadre are permanent — because for 99% of officers, they are. Romantic 'I'll transfer later' planning is the most common source of post-allocation regret. Choose with eyes open.
BharatNotes