National Test House

A Trusted Name For Quality Testing

More Than 100 Years Of Service
I.T Helpdesk email - helpdesk@nth.gov.in
I.T Customer care no. - 0120-2787853 [ ( Mon - Fri ) 09:30 hrs to 17:30 hrs ]
Helpline Numbers
  2. Dear Customer, Beware of Phishing & Fraudulent Calls/Email's. NTH does not entertain middle-man/agents. Be Vigilant. Please report any suspicious calls/emails to Chief Vigilance Officer, Email : cvo-nth[at]nth[dot]gov[dot]in , Landline -0120-278 7853 & Mobile no. / WhatsApp No.- 9412223550. Important: Scheduled Downtime for NTH MIS Application for maintenance on 22.02.2026 from 06:00hrs to 18:00 hrs

National Test House (NWR), Jaipur

E-763, Road No. 9 F1 V.K.I.A Jaipur-302013, Rajasthan, Jaipur, Jaipur, Rajasthan, 302013
9412223386 director-jai@nth.gov.in
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331 Results
S.No. Standard No. Product Testing Charges (Excl. Of Taxes)
331 RDSO C-9505 (2001) - Schedule of Technical Requirements for Enhanced Capacity (Alloy Steel) Screw Couplings used on Railway Coaches Schedule of Technical Requirements for Enhanced Capacity (Alloy Steel) Screw Couplings used on Railway Coaches - View breakup
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Helpdesk email - helpdesk@nth.gov.in

Customer care no. - 0120-2787853 [ ( Mon - Fri ) 09:30 hrs to 17:30 hrs ]