First in line but

 … it still took long time due to I already did a self checkin all the way to Bangalore but as she said at the checkin counter, I cannot go to city of Bangkok unless I only checkin to Bangkok.

This is a bit strange as I have done that before but you will need to pay a 'fine' at the BKK airport when checkin again. The 'fine' is a more expensive way of doing it and paying a storage of your luggage is less expensive, 150 THB for one big luggage comapred to 6-700THB if I remember correctly, I could be totally of here!?!?

I need to fetch my bag in Bangkok, store it, take train to city and …