Delhi General Knowledge App in Hindi For All Competition Exams Like DSSSB, REET, B. Ed. Exam, STC Exam, DSSSB Teacher Examination, NET, Lecturer Exam, Second Grade Teacher recruitment, SLET, Patwar Exam etc. In This App All Notes Are Given in Hindi or Topic Wise. Topics in This App. दिल्ली Daryaganj दरियागंज. Paharganj पहाड़गंज. Karol Bagh करोल बाग.