You should go on official website of ITBP (Indo-Tibetan Border Police Force) to get details about latest recruitments.

I am giving complete contact details of all zones of ITBP:

Indo-Tibetan Border Police Force Zones Contact Details
The Inspector General (Northern) Frontier
Indo Tibetan Border Policef
MHA/Govt. of India
PO-Seemadwar
Distt- Dehradun (Ukd) PIN-248146
135-2762976

The Inspector General (Eastern) Frontier
Indo Tibetan Border Police
MHA/Govt. of India
Sheela Complex, Vidhan Sabha Marg,
Near Radio Station, Hazaratganj, Lucknow (UP) Pin-226001
522-2239424

The Inspector General
(Central) Frontier
Indo Tibetan Border Police Force
MHA/Govt. of India
Plot No-163-164(E-8) Trilochan Nagar, PO- Trilanga Near Shahpura,
Bhopal (MP) Pin-462039
755-2569823

The Inspector General
(North-East) Frontier
Indo Tibetan Border Police
MHA/Govt. of India
AP Old Secretariate Building,
Cantt AreaG.S. Road Shillong
PIN-793001
364-2224591

The Inspector General (NW) Frontier
Indo Tibetan Border Police
MHA/Govt. of India
PO-Seema Nagar (Near Airport) Chandigarh (UT) PIN-160003
172-2637998