Get in Touch with BIADA

Our investor helpdesk is staffed by trained facilitation officers available Monday to Saturday. Reach us by phone, email, or visit any of our regional offices across Bihar.

Contact Information

Our investor helpdesk officers are available to assist you with plot queries, application status, auction schedules, and any other requirements.

Head Quarters

Bihar Industrial Area Development Authority
Udyog Bhawan, East Gandhi Maidan
Patna — 800 001, Bihar, India

Phone Helpdesk

+91-612-2226987 | +91-612-2226988
Toll Free: 1800-123-BIADA (24232)

Lines open Mon–Sat, 10 AM – 5 PM

General: info@biada.bih.nic.in
Investor Desk: investors@biada.bih.nic.in
Grievance: grievance@biada.bih.nic.in

Office Hours

Monday – Friday: 10:00 AM – 5:00 PM
Saturday: 10:00 AM – 2:00 PM
Sunday & Public Holidays: Closed

Online Portals

Website: www.biada.bih.nic.in
E-Auction: auction.biada.bih.nic.in
E-Lottery: lottery.biada.bih.nic.in

Send an Enquiry

We respond to all queries within 2 working days. For urgent matters, call our helpdesk directly.

Full Name *

Mobile Number *

Email Address

Organisation / Company

District of Interest

Enquiry Type *

Your Message *

BIADA Offices Across Bihar

BIADA Regional Offices

Visit any regional office for in-person assistance with applications, plot inspections, documentation, and allotment processes.

Patna — Headquarters

Patna District

Udyog Bhawan, East Gandhi Maidan, Patna 800 001

+91-612-2226987 / 2226988

info@biada.bih.nic.in