a museum. Ganga Singh's son, Lieutenant-General Sir Sadul Singh, the Yuvaraja of Bikaner, succeeded his father as Maharaja in 1943, but acceded his state to the Union of India in 1949. Maharaja Sadul Singh died in 1950, being succeeded in the title by his son, Karni Singh (1924-1988). The Royal Family still lives in a suite in Lalgarh Palace, which they have converted into a heritage hotel. Climate Bikaner is situated in the middle of the Thar desert and has a hot desert climate (Köppen climate classification BWh) with very little rainfall and extreme temperatures. In summer temperatures can exceed 48 °C, and during the winter they may dip below freezing. The climate in Bikaner is characterized by significant variations in temperature. In the summer season it is very hot when the temperatures lie in the range of . In the winter, it is fairly cold with temperatures lying in the range of . Annual rainfall is in the range of . The highest ever temerature recorded is on 19 May 2016 and lowest ever recorded is on 26 January 1964. Demographics the population of Bikaner city was 644,406 placing it in the top 70 major cities of India and 5th in Rajasthan. The female to male ratio in the city was 904/1,000. The literacy rate in the city was about 79%, male literacy being 87% and female literacy being 71%. Majority of the population of the city follows Hinduism, with followers of Islam a large minority. The city has a substantial followers of Jainism. Transport Bikaner railway station is a major railway junction in the North Western Railway zone of Indian Railways. The first railway link to Bikaner was established on 9 December 1891 as part of Jodhpur State Railway and it has undergone many administrative modifications since then. Today Bikaner Railway Station is efficiently well connected to National Capital Delhi and Rajasthan State's capital Jaipur along with major Indian cities like Jodhpur, Sri Ganganagar, Rewari, Howrah, Kolkata, Mumbai, Kanpur, Agra, Allahabad, Surat, Ahmedabad, Vadodara, Pathankot, Bhatinda, Amritsar, Haridwar, Jammu, Chandigarh, Pune, Hisar, Bengaluru, Chennai, Hyderabad, Guwahati, Puri, Coimbatore, Thiruvananthapuram, Bhubaneswar, Bilaspur, Indore, Jalandhar, Baroda, Ratangarh, Jaisalmer, Barmer, Alwar, Nagaur, etc. Bikaner is well served with roads and is linked directly to Delhi, Jaipur, Agra, Sri Ganganagar, Jodhpur, Alwar, Rewari, Narnaul, Ludhiana, Bhatinda, Ambala, Panipat, Surat, Ahmedabad, Ajmer, Haridwar, Jaisalmer, Bhilwara, Churu, Sikar and many other cities. Central Bus