For History: Charminar, Golkonda fort and Museum
Kids: Zoo
Devotional: Chilkur,Birla mandir,Sanghi
Parks: Lumbini and NTR gardens
Sanghi and RFC are very near to each other ( To one end of city)
Birla temple, Lumbini,NTR gardens,Hussain sagar are near to each other -- may be 2-3km max ( at...