Hi @OliverRodrigues and @hardikv,
Thanks for the response!
After debugging , found that the issue was due to the component which I am using in the form. Here, in the form I am using flip switch. due to which this problem occurred.

If I removed this from the form, then the form is working fine on the portal. But I want those flip switch on the portal. How can I do that. Also, I used number input component in the form which on the portal takes as the normal input as shown in the figure.
In the form it looks like-

On portal it look like-

how can I use these type of components on the portal ?
Any help is appreciated.
Thank you.