Dr. Ashok Kumar, Ph.D
Apex Level Standards & Industrial Metrology (ALSIM)
CSIR-National Physical Laboratory
TEC Building, Room No: 114.
Tel: +91-4560-8533/8690 (O),
Mob: 8826215508
Email: ashok553@gmail.com,
ashok553@yahoo.com
ashok553@nplindia.org