Honey Technology — I have signed the agreement and completed the work they said to pay the amount please suggest me what to do

Address: Honey technology gujarath

I have applied for work from home jobs
I got a mesage on watsup about honey technology they said to register to register the agreement with adhar and sign copy I have started the work and completed the work within 1 week now they are saying that my project is rejected due to incorrect form filling so I have pay the registration fees of 4200 Please suggest me wat to do next is any problem with them