Hello Atul,
The most common cause for this issue is iptables, maybe there’s a rule there that is preventing the connection, please run the following command to remove any rules that might be preventing this from working:

iptables --flush
iptables --table nat --flush
iptables --delete-chain
iptables --table nat --delete-chain
iptables -P FORWARD ACCEPT

Then follow the steps shown again.
Also please make sure you are using the right interfaces when following the steps.