google app engine
using function doGet(e) {
var url = 'https://docs.google.com/document/d/1W0swizgXUIsdmZmy-U3sdQs4ZX3f2Sr6marlibQwIRQ/edit?usp=sharing';
var doc = DocumentApp.openByUrl(url);
doc.getBody().appendParagraph(' rollnum | '+e.parameter.email+' & | '+e.parameter.mobile);
window.location="http://shekharrajak.github.io/stepni_intern_task";
redirect("http://shekharrajak.github.io/stepni_intern_task")
return true;
}