The 1979-batch Bihar cadre officer is presently working as the Director General of the Railway Protection Force under the Railway Ministry.
The Appointments Committee of Cabinet (ACC) headed by Prime Minister Narendra Modi issued orders for appointment of the officer late tonight.
The post of ITBP DG has been vacant since January 1 after incumbent chief Subhas Goswami retired on December 31 last year. CRPF DG Prakash Mishra has been holding the additional charge of the ITBP chief since then.
Chaudhary will be in office till June 2017.