the recently started Ajmer Airport, Bikaner Airport and Jaisalmer Airport. These airports connect Rajasthan with the major cities of India such as Delhi and Mumbai. There is another airport in Kota but it is not open for commercial/civilian flights yet. Rail Rajasthan is connected with the main cities of India by rail. Jaipur, Kota, Ajmer, Jodhpur, Bharatpur, Bikaner, Alwar, Abu Road, and Udaipur are the principal railway stations in Rajasthan. Kota City is the only electrified section served by three Rajdhani Expresses and trains to all major cities of India. There is also an international railway, the Thar Express from Jodhpur (India) to Karachi (Pakistan). However, this is not open to foreign nationals. Road Rajasthan is well-connected to the main cities of the country including Delhi, Ahmedabad and Indore by state and national highways and served by Rajasthan State Road Transport Corporation (RSRTC) and private operators. Now in March 2017, 75 per cent of all national highways are being built in Rajasthan according to the public works minister of Rajasthan. Demographics According to the 2011 Census of India, Rajasthan has a total population of 68,548,437. The native Rajasthani people make up the majority of the state's population. The state of Rajasthan is also populated by Sindhis, who came to Rajasthan from Sindh province (now in Pakistan) during the India-Pakistan separation in 1947. As for religion, Rajasthan's residents are mainly Hindus, who account for 88.49% of the population. Muslims make up 9.07%, Sikhs 1.27% and Jains 0.91% of the population. Brahmins, according to Outlook constituted 8% to 10% of the population of Rajasthan as per a 2003 report, but only 7% in a 2007 report. According to a 2007 DNA India report, 12.5% of the state are Brahmins. According to a report by Moneycontrol.com at the time of 2018 Rajasthan Legislative Assembly election, the Scheduled Caste (SC) population was 18%, Scheduled Tribe (ST) was 13%, Jats 12%, Gurjars and Rajputs 9% each, Brahmins and Meenas 7% each. A Hindustan Times report from 2019 also agrees to the total ST population of 13%, of which Meenas constitute the biggest group at 7%. According to a Deutsche Welle report, the Jats constitute 12-15% of the population of Rajasthan, followed by Meenas with 10% and Gurjars with 6%. While as per a 2007 BBC Hindi report, Meenas were 14% and Gurjars were 4% of the state's population. Language Hindi is the official language of