RRB Group D GK Questions 2026

Devprayag in Tehri Garhwal district is the last of the Panch Prayag, and below it the united stream is known as the Ganga; the Bhagirathi comes from the Gangotri glacier at Gaumukh and the Alaknanda from the Satopanth and Bhagirath Kharak glaciers.

When the state was formed in 2000 its High Court was established at Nainital, the old summer headquarters of the hills, while the seat of government went elsewhere.

On that day the Uttar Pradesh Reorganisation Act, 2000 came into force and separated the Garhwal and Kumaon hill districts from Uttar Pradesh to form the twenty seventh state of the Union, then named Uttaranchal.

The Chenab Bridge, built on the Udhampur to Srinagar to Baramulla rail link, rises about 359 metres above the bed of the Chenab and is the highest railway arch bridge in the world, its single steel arch spanning the gorge.

The Railway Board was constituted in 1905 to supervise the many private railway companies then operating in India, and it continues as the apex body of the Ministry of Railways.

Chittaranjan Locomotive Works in West Bengal is the locomotive plant of Indian Railways and builds electric locomotives; it began with steam locomotives and turned to electric traction.

Broad gauge in India measures 1,676 millimetres between the inner faces of the rails, and it carries almost all long distance traffic; the conversion of older lines to this gauge is called Project Unigauge.

The correct answer is C, the Darjeeling Himalayan Railway, inscribed in 1999 as the first of the three lines that together form the World Heritage property called the Mountain Railways of India.

The Vivek Express runs between Dibrugarh in upper Assam and Kanniyakumari at the southern tip of the mainland, covering roughly 4,200 kilometres, the longest route of any train in the country.

The South Central Railway has its headquarters at Secunderabad in Telangana.

The Southern Railway was formed on 14 April 1951 and was the first zone created when the old company railways were regrouped after independence.

The North Eastern Railway has its headquarters at Gorakhpur in Uttar Pradesh, and the zone despite its name serves eastern Uttar Pradesh and northern Bihar rather than the north eastern states.

On 16 April 1853 the first passenger train in India ran about 34 kilometres from Bori Bunder in Bombay to Thane on the line of the Great Indian Peninsula Railway, drawn by three locomotives named Sahib, Sindh and Sultan.

The National Institute of Virology is at Pune in Maharashtra and works under the Indian Council of Medical Research; it began in 1952 as the Virus Research Centre and it isolated the virus strain used in developing the indigenous whole virion inactivated vaccine Covaxin.

A toxoid vaccine uses the toxin of a microbe rather than the microbe itself, treated so that it can no longer harm the body but still provokes antibodies; the tetanus and diphtheria vaccines are the two standard examples, and they work because in those diseases it is the toxin that…

The World Health Organization certified the South East Asia Region, India included, as free of wild poliovirus in March 2014, three years after the last case in the country, because certification requires three consecutive years without a case.

Mission Indradhanush was launched on 25 December 2014 to reach children who had received no vaccine or only some of the prescribed doses, and its name refers to the rainbow of vaccines then in the programme.

The Universal Immunization Programme was launched in 1985 and remains the backbone of child immunisation in India, covering tuberculosis, diphtheria, whooping cough, tetanus, polio, measles, rubella and hepatitis B, with further vaccines in selected states.

BCG stands for Bacillus Calmette Guerin, a live attenuated strain of a bovine tuberculosis bacterium, and it is given at or soon after birth under the Universal Immunization Programme to guard against severe forms of childhood tuberculosis.

In 1796 Jenner used material from cowpox, a mild disease of cattle, to protect a boy against smallpox, and the word vaccine itself comes from vacca, the Latin for cow.