Meesho — I'm complaining about my refund amount

I have received the package from meesho which is not ordered from me Or my account I have paid 599rs for this order which I was saving for my pay leter bill i called the customer care on the same day they told me to drop a main to meesho i have dropped mail and i got a call saying that they will be receiving my refund amount within 2 to 3 days it's been 1 week still I'm not getting respond on this and again I tried to call to the customer care 4 times they are repeating the same dialogue that thy have some technical issues can't check my ticket which is raised from me
And now I have to pay my pay leter amount of 1700 thy have charged 100 for late payment I have 1100 with me but which I paid for not my courier if thy refund the amount I could have pay the bill on time bcz of there Negligence I got 100rs fine and I have not got refund as well
I don't want to pay any single penny bcz it's completely there mistake
Kindly look into the matter

I need refund as well I dnt want to pay any extra charges on my bill