telegram ID - Prepaid Merchant Task on telegram and asked to invest money

I got added to a telegram group where tasks were distributed, some google maps review tasks and
they pay Rs ** for each review on the first day it all seems to be ok. On the next day, they said I
pay some to upgrade the account like *k after that I can do that asks some merchant tasks were
given where I first paid **** and was assured a sum of **** in return. I was later told that if I don
t complete part * of the task, I can t get the money from part *, so they wants me to trade for
***** more and they said like final task needs to be completed to get all returns and they asked
me to pay ***k. later they said you did ,mistake in ***k task, again asked to pay ***k ...I lost my ***k in this scam.