240 एकर हाजो गोसारनाय लालबाग दंफां बागानखौ हाइदर लिया जागायदोंमोन आरो तिपु सुलताना जौगा होदोंमोन ।
The Lalbagh botanical garden spread over 240 acres was laid by Hyder Ali and developed by Tipu Sultan .