सामान्य ज्ञान (GK) is a free Android app developed by Guru Balaji Developer. It is an education and reference app that provides general knowledge in Hindi language. The app aims to help users prepare for various competitive exams such as RBI, CAT, UPSC, MPPSC, BANK PO, BANK CLERK, SSC, IAS, IPS, RAILWAY, PSC, POLICE, UPPSC, CISF, MPSC, RRB BANK SPECIAL OFFICER, RPSC, NDA, IBPC, SBI CLERK, CDS, PSU, and PATWARI EXAM. The app covers a wide range of topics related to general knowledge, including the list of Prime Minister of Independent India and their tenure, major countries of the world and their capital, India's major national symbols, and many more. The app may contain some ads, but they do not interfere with the content. With its extensive exam preparation material, सामान्य ज्ञान (GK) is a helpful app for Hindi-speaking individuals who want to enhance their general knowledge and prepare for competitive exams.