Sharma Nand & Sons
No. 178, Maktool Puri
Roorkee- 247667, Uttarakhand (India)
Spectro Analytical, India
No. 155, Arya Nagar, Block-2
Dehradun- 248001, Uttarakhand (India)
Bhatt Educational Scientific & Technological Services Private Limited
Bhatt Plaza, No. 819- 8, Indira Nagar Colony Basant Bihar
Dehradun- 248001, Uttarakhand (India)