The correct answer is (d). BHEL is located in Bhopal, Madhya Pradesh. CBRI is located in Roorkee, Uttarakhand. ONGC is headquartered in Dehradun, Uttarakhand. HAL is located in Bangalore, Karnataka.
CBRI is the Central Building Research Institute. It is a premier research institute in the field of building science and technology. It was established in 1958. The institute is located in Roorkee, Uttarakhand.
ONGC is the Oil and Natural Gas Corporation. It is the largest oil and gas company in India. It was established in 1956. The company is headquartered in Dehradun, Uttarakhand.
HAL is the Hindustan Aeronautics Limited. It is a state-owned aerospace and defence company. It was established in 1942. The company is headquartered in Bangalore, Karnataka.
BHEL is the Bharat Heavy Electricals Limited. It is a state-owned heavy engineering company. It was established in 1956. The company is headquartered in Bhopal, Madhya Pradesh.