Solution 1:
To fix this problem I referred to https://documentation.cpanel.net/display/CKB/How+to+Enable+FTP+Passive+Mode and simply enabled port range 49152 - 65534 through my firewall.
To fix this problem I referred to https://documentation.cpanel.net/display/CKB/How+to+Enable+FTP+Passive+Mode and simply enabled port range 49152 - 65534 through my firewall.