I set an alarm for five minutes before the Bangladesh Railway portal updates. I sit at my kitchen table with my debit card already out on the wood. You have exactly a two-minute window to secure a Snigdha class ticket on the Dhaka to Rajshahi route before the entire carriage completely sells out.
I used to think people were exaggerating about the portal traffic. Then I spent an entire Tuesday morning refreshing a frozen screen while watching the available seats drop from forty to zero in real time.
There is a massive difference between the seat classes. S_CHAIR is perfectly fine if you are traveling in December and you do not mind the noise. You get a basic seat. The windows open. You will hear every single vendor selling tea on the platform. It is chaotic but completely functional. S_CHAIR tickets are usually easier to get.
Snigdha is air-conditioned. The windows are sealed. It is the only way I can travel in July without arriving at my destination completely dehydrated and covered in dust. That sealed window is exactly why the tickets disappear so fast. Everyone wants out of the heat.
I stopped trying to use the mobile app. It crashes too often when the server is overloaded. I only use a desktop browser. I type my destination in before the clock turns over. I keep a secondary payment method ready because the primary gateway fails half the time.
Last month I missed the window. I hesitated for thirty seconds trying to pick a window seat instead of an aisle. The session timed out while I was clicking. I had to buy an S_CHAIR ticket instead. I spent six hours sweating and listening to a toddler kick the back of my seat all the way to Rajshahi.
Now I take whatever seat the system highlights first. You do not have the luxury of preference. You just want a confirmed booking code.
If you are planning to take the train out of Dhaka, do not wait until the week of your trip. Log in exactly when the advance tickets release. Have your account details saved. Do not look for the perfect seat near the front of the carriage. Just click the first available spot and pay as fast as you physically can. The platform at the station is stressful enough without having to fight for a standing ticket on the day of departure.