If you choice cheap & short & comfortable journey you may travel on Varanasi Express at 9.00 am or Kanchankanya Express at 6.20 am or Uttarbanga express via Chord. It will take 1 hour 30 minutes from BWN to Bidhannagar Road station. From there you can reach Saltlake PNB sector 1 by 5 minutes by auto or bus. Other way to go to Dankuni via Chord then take Sealdah Local & get down BNXR station. From BWN to dankuni Local train takes 1 hour 28 minutes & From Dankuni Local takes 30 minutes to arrive BNXR station. Another way to go Saltlake is via Howrah. After reaching HWH you can take 44, 71, 215 route bus. It will take at least 1 hour. Another better way from HWH to Ahiritolla via Vessel, then take auto towards Ultadanga, then take Sec 1 auto. You have to pay more rupees. You can take...
more... Karunamoyee SBSTC bus, it is not cheap. Bus fare is near 60 Rs. Now you choice.