Unable to withdraw

I invested 1500000 in this someone text me on WhatsApp that its a freelanceing wrk from home and they start from small investment on 1st investment they send me 1800 commission and then they share their plans i buy 200000 pkr plan and they said i commit a mistake and i have to snd more money to resolve my mistake i snd 1500000 in 7-8 transection but at the time of withdrawal they only snd me 2000 rps into my accout and said the system is freeze and you have to submit more amoint to unfreeze your account and then you can withdraw your amount i have attached all screenshot kindly help me to withdraw my all amount