Sastiticket.com — Didn't get any pnr number for my airline ticket

Website:

www.sastiticket.com

I have searched for the ticket via skyscanner and they directed me to sastiticket i come for the payment

i have paid via paytm
the amount got deducted 4306rs

for delhi to mumbai ticket

but didnt got any pnr number

the phone numbers are not working of sastiticket.Com

and email is also getting rejected