Hi buddy I want to join Central Reserve Police Force (CRPF), and here come to get info about Rank Structure in promotion/post reference ??

As you want to join Central Reserve Police Force (CRPF), and here come to get info about Rank Structure in promotion/post reference, so on your demand here I am telling same for you:

CRPF Rank Structure
Group A Gazetted Officers

Director General (Apex Scale of the Indian Police Service)
Additional Director General (Higher Administrative Grade of the IPS cadre, also available to BSF cadre)
Inspector General (IG/ DIR.ISA )
Deputy Inspector General (DIGP)
Additional Deputy Inspector General (Addl. DIGP)
Commandant
Second - in -Command (2 I/C)
Deputy Commandant
Assistant Commandant

Executive (Non-Gazetted)/ Combatised Staff

Subedar Major
Inspector
Sub-Inspector
Asstt. Sub. Inspetor
Head Constable
Constable

Ministerial/Hosp Staff (Non-Combatised)

Office Supdt.
PA to IGP/Dir
Head Clerk/Steno Gr.II
Hindi translator Gr.II
UDC/Steno Gr.III
LDC
Asstt. Matron
Sister-In Charge
Ward Sister
Staff Nurse
Pharmacist(SG)
Pharmacixt/Radio Grapher
Laboratory Technician
Electrician
Lab.Asstt/ X-ray Asstt.
Telephone Operator
Asstt.Operator Room

Group ‘C’ (Executive/ Ministerial/ Hospital)

HC (Senior Gestetner Operator)
CT (Daftry) / Plumber

Group ‘D’

Dresser/ Nursing Asstt./ Ayah/ Cook/ Barber/ Dhobi/ Water Carrier(SG)
Cook/ Barber/ Dhobi(NSG)
Peon/ SK/Farrash/ Safai Karmachari/ Water Carrier/ Follower/ Steward/ Wardboy/ Mali/ Chowkidar/ Masalchi/ Kahar/ Table Boy/ Carpenter/ Staff for Sister Mess.