The journey from Rajnagar to Mumbai spans approximately 1900 km. The most practical way is to take a train from Darbhanga to Mumbai CST or LTT. Alternatively, you can travel to Darbhanga Airport and take a flight to Mumbai. This is a long-distance journey, so planning your transit in advance is essential.
Total Distance: 1900 km driving distance, 1550 km straight-line air distance.
Carry enough food and water for this long journey.
November to February for pleasant weather in Mumbai.