1 center solutions private limited - My project is completed but they cant withdraw my amount and they ask if u pay then withdraw ur fun

Previously they contact me whatsapp daily u earn **** to **** they said.. Firstly u top up after do projects u can with draw ur self they said.... I trust and do that.... After they contacted me in telegram app here is ur manager they advised and do that only... I also do that they advised... After total project is completed... I can't withdraw my amount, they said u paid ***** then only u withdraw ur money... I requested many time I don't want profit please gave back they don't gave my money back...