To reach Kolkata from Carmona, you must travel to Madgaon Junction. Several long-distance trains connect Madgaon to Howrah or Shalimar stations in Kolkata. The journey covers over 2000 km and takes about 32 hours. Alternatively, you can fly from Dabolim to Kolkata with a layover in a major city.
Total Distance: 2100 km by road, 1700 km air distance.
Check the IRCTC website for the latest train availability.
October to March for the pleasant weather.