Section link1,link2,link3,link4,link5,link6,link7,link8,link9,link10:

Suggestion:
If in .ts file, add the code as follow:

import * as dotenv from "dotenv";
dotenv.config();

If in .js file, add the code as follow:

const dotenv = require("dotenv");
dotenv.config();

@meeraharidasa, @mayurid , @ramya-rao-a and @jeremymeng for notification.