Correct Answer: (a) Roorkee
Note:
The State Infrastructure and Industrial Development Corporation of Uttarakhand Limited (SIIDCUL) is a government of Uttarakhand enterprise which promotes industries and develops industrial infrastructure in the State. It also provides tax incentives for companies establishing plants on its industrial estates presently at Haridwar, Paritnagar, Dehradun, Selaqui, Kotdwar, Kashipur, and Sitarganj.