[MW:4287] Require help in knowing standard referred to

Dear friends,

kindly let me know what standard to refer to for welder qualification
procedure for thickness less than 3 mm thick CRCA TIG and SMAW welding
process

Sachin JOSHI
Manager - Technology
Crompton Greaves Limited
Global R & D Centre
Bhaskara, Kanjur Marg (East), Mumbai 400 042

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