Spice Jet Airlines — unfair and unreasonable treatment

I, my wife and children have been unfairly stranded at the kolkata netaji subhas chandra bose international by denying checking on despite arrive the airport before the required time on the 11th january 2019. Let me outline as concisely as possible:

Although the flight was delayed to 8:54 am india time on 11/1/19 as reflected google flight tracker as well as on kolkata airport monitors, the spice jet check-in counter was closed at 7:30 am: 24 minutes before the pre-announced time frame, as confirmed by julia of spicejet.

We tried to check in online 24 hours before the departure for flight sg71, but spicejet website denied us online check-in despite providing the pnr numbers: xhbr9e and lmjwjc

During our outbound check-in at bangalore airport, we were also denied the boarding passes of our final flight-leg: kolkata-dhaka. Despite our multiple request, we were unable to check in our luggage to the final destination forcing us to pick up the luggage after arriving at blr. While we were aware of the long transit with kids of around 12 hours, we could not have foreseen spicejet’s inability to keep our luggage to lug around all through the night.
Despite our daughter’s sudden sickness, we reached the kolkata airport on time and cleared the gate-security screening on time at the international departure entrance. Upon entering, however, we were unable to see any presence of spicejet symbol in the pillar, where other airlines, such as emirates were present. Neither there was any spice jet official to ask.
Upon asking around we were sent to all the way opposite direction of the airport, where we were told that the luggage has to be x-ray scanned first. Afterwards, after standing in the long que with two little kids of 4 and 2 years old respectively, we were told the check in counter was closed!
After our discussion the official logged in the time as 7:39. Please note again the airport display was still showing the flight was further delayed to 8:54 am.

We talked to the spicejet official named julia, and she simply denied us of any help despite mentioning all the above facts. She insisted that we should be present in the airport 6:40 am, having no respect to our time. Not to mention the flight keeps delaying, as we experienced in our previous connections, making us harder to predict when actually the flight is going to leave.

The following issues were not directly relevant to the disaster spicejet made, but worth noting nonetheless.

Both flights sg658 and sg517 were delayed, where the bangalore to kolkata flight was delayed by a couple hours.

In all the instances, we could not sit together during the flight, and we were either given boarding passes splitting in 2 seats and 2 seats together, or 3 and 1 seats in completely different part of the aircraft. Especially in the final leg, when we had to repurchase the ticket conf# eep7sk, both our children had isolated single seats on flight sg76.

Despite paying in full beforehand, we were kept waiting for about 15 minutes at the check in counter due to our credit card purchase, which again, gets worsen due to our two small children.

To summarize, we as a family had a horrific experience with spicejet’s poor performance with little to no intention from spicejet incompetent officials to help their passengers quickly and promptly.