Choosing your moving date
Both cities get heavy monsoon rain, roughly June to September. Kolkata's Durga Puja in the autumn affects many roads for several days, and Ranchi's own festivals bring busy crews. November to February is usually the most comfortable and reliable window.
On a route this short, the arrival time matters more than the departure. Plan the Ranchi loading time backwards from the hours your Kolkata building allows.
Leaving Ranchi
Tell the mover how steep or narrow the approach to your home is; parts of Ranchi sit on sloping ground. In the monsoon, wet slopes make carrying heavy furniture slower, so ask for enough hands and plastic wrapping.
If you're leaving a shared flat or hostel, list exactly what's yours so nothing belonging to others goes on the truck.
Down from the plateau
Trucks usually leave the plateau towards Jamshedpur or Purulia and then cross the plains of West Bengal into Kolkata. The mover chooses based on the truck and any other drops. The approach into Kolkata is usually the slowest part.
Ask whether the truck is carrying only your goods; a shared truck may make another drop on the way.
Kolkata buildings and lanes
Many Kolkata homes are in older buildings without lifts, on lanes that can't take a full-size truck. Send the mover photos of the approach and the staircase so the right vehicle and crew come.
Newer towers in Salt Lake and New Town have lifts and building rules. Ask the office about notice and lift slots before fixing the date.
From plateau to plains
Kolkata is warmer and more humid than Ranchi, especially in the summer and monsoon. Unpack and air clothes and books early, keep silica gel in closed boxes and plan cooling for at least one room if you arrive between April and June.
Bengali is the main language in Kolkata, and Hindi and English are widely understood.
Students and small moves
Many people on this route are students or young professionals with a few cartons and perhaps a two-wheeler. Book a few-items move rather than a full-house quote.
Keep documents, laptops and valuables with you, and photograph a two-wheeler before handover.