The correct answer is (b), Kashipur.
Kashipur is a city in the Kumaon division of Uttarakhand, India. It is the headquarters of the Udham Singh Nagar district. The city is located on the banks of the Ramganga River, about 250 kilometers (160 mi) from the state capital, Dehradun.
Kashipur is a major industrial city in Uttarakhand. The city is home to a number of industries, including sugar mills, paper mills, and textile mills. The city is also a major center for the production of plastic products.
In 2019, the Uttarakhand government announced that it would establish a second production unit of diesel through recycling of plastics in Kashipur. The unit is expected to be commissioned in 2020.
The other options are incorrect. Lansdowne is a hill station in the Garhwal region of Uttarakhand. Haridwar is a city in the Haridwar district of Uttarakhand. Bhimtal is a town in the Nainital district of Uttarakhand.