From [wiki=bc43f7e60bccbed2408a5abf46870ea5]Indore[/wiki] take the bus to [wiki=698b15cd626e5053311823a15e029b2e]Dhar[/wiki], where you can change for a local bus to Mandu.
You can rent a car in [wiki=bc43f7e60bccbed2408a5abf46870ea5]Indore[/wiki].
The best route from Indore is as follows
Indore - Pithampur - Ghatabillod - Labour - Dhar - Mandu.
The distance is approximately 95km and the roads are in good condition.