diff --git a/package.json b/package.json
index 892951a0dddd8..ec8081db6a891 100644
--- a/package.json
+++ b/package.json
@@ -6,6 +6,7 @@
   "main": "index.js",
   "scripts": {
     "copy-models": "node ./scripts/copy-models",
+    "downlevel-dts": "node ./scripts/downlevel-dts",
     "generate-clients": "node ./scripts/generate-clients",
     "bootstrap": "yarn",
     "clean": "yarn clear-build-cache && yarn clear-build-info && lerna clean",
@@ -85,6 +86,7 @@
     "mocha": "^8.0.1",
     "prettier": "2.3.0",
     "puppeteer": "^5.1.0",
+    "strip-comments": "2.0.1",
     "ts-jest": "^26.4.1",
     "ts-loader": "^7.0.5",
     "typedoc-plugin-lerna-packages": "^0.3.1",
@@ -122,4 +124,4 @@
     ],
     "**/*.{ts,js,md,json}": "prettier --write"
   }
-}
\ No newline at end of file
+}
diff --git a/scripts/downlevel-dts/README.md b/scripts/downlevel-dts/README.md
new file mode 100644
index 0000000000000..e0d09166791e8
--- /dev/null
+++ b/scripts/downlevel-dts/README.md
@@ -0,0 +1,24 @@
+# How to downlevel-dts
+
+## Prerequisite
+
+- Node.js version >= 12.
+
+## Options
+
+```
+Runs downlevel-dts npm script (if present) in each workspace of monorepo, and
+strips comments from *.d.ts files.
+
+Usage: index.js
+
+Options:
+  --version   Show version number                                      [boolean]
+  -h, --help  Show help                                                [boolean]
+```
+
+## Examples
+
+- Run downlevel-dts for workspaces in monorepo:
+
+  `yarn downlevel-dts`
diff --git a/scripts/downlevel-dts/index.js b/scripts/downlevel-dts/index.js
new file mode 100644
index 0000000000000..546419d33408a
--- /dev/null
+++ b/scripts/downlevel-dts/index.js
@@ -0,0 +1,91 @@
+// @ts-check
+const yargs = require("yargs");
+
+const { existsSync, readdirSync, readFileSync, statSync, writeFileSync } = require("fs");
+const { join } = require("path");
+const { execSync } = require("child_process");
+const stripComments = require("strip-comments");
+
+// ToDo: Write downlevel-dts as a yargs command, and import yargs in scripts instead.
+yargs
+  .usage(
+    "Runs downlevel-dts npm script (if present) in each workspace of monorepo," +
+      " and strips comments from *.d.ts files.\n\n" +
+      "Usage: index.js"
+  )
+  .help()
+  .alias("h", "help").argv;
+
+const { packages } = JSON.parse(readFileSync(join(process.cwd(), "package.json")).toString()).workspaces;
+
+const getAllFiles = (dirPath, arrayOfFiles = []) => {
+  const files = readdirSync(dirPath);
+
+  files.forEach((file) => {
+    if (statSync(dirPath + "/" + file).isDirectory()) {
+      arrayOfFiles = getAllFiles(dirPath + "/" + file, arrayOfFiles);
+    } else {
+      arrayOfFiles.push(join(dirPath, "/", file));
+    }
+  });
+
+  return arrayOfFiles;
+};
+
+packages
+  .map((dir) => dir.replace("/*", ""))
+  .forEach((workspacesDir) => {
+    // Process each workspace in workspace directory
+    readdirSync(join(process.cwd(), workspacesDir), { withFileTypes: true })
+      .filter((dirent) => dirent.isDirectory())
+      .map((dirent) => dirent.name)
+      .forEach((workspaceName) => {
+        const workspaceDir = join(workspacesDir, workspaceName);
+
+        const packageJsonPath = join(workspaceDir, "package.json");
+        const packageJson = JSON.parse(readFileSync(packageJsonPath).toString());
+        if (!packageJson.scripts["downlevel-dts"]) {
+          console.error(`The "downlevel-dts" script is not defined for "${workspaceDir}"`);
+          return;
+        }
+        const downlevelArgs = packageJson.scripts["downlevel-dts"].split(" ");
+        const downlevelDirname = downlevelArgs[2].replace(`${downlevelArgs[1]}/`, "");
+
+        const tsTypesConfigPath = join(workspaceDir, "tsconfig.types.json");
+        const declarationDirname = JSON.parse(readFileSync(tsTypesConfigPath).toString()).compilerOptions
+          .declarationDir;
+
+        if (!declarationDirname) {
+          throw new Error(`The declarationDir is not defined in "${tsTypesConfigPath}".`);
+        }
+
+        const declarationDir = join(workspaceDir, declarationDirname);
+        if (!existsSync(declarationDir)) {
+          throw new Error(
+            `The types for "${workspaceName}" do not exist.\n` +
+              `Please build types for workspace "${workspaceDir}" before running downlevel-dts script.`
+          );
+        }
+
+        const downlevelDir = join(declarationDir, downlevelDirname);
+        // Create downlevel-dts folder if it doesn't exist
+        if (!existsSync(downlevelDir)) {
+          execSync(["yarn", "downlevel-dts"].join(" "), { cwd: workspaceDir });
+        }
+
+        // Strip comments from downlevel-dts files
+        if (existsSync(downlevelDir)) {
+          getAllFiles(downlevelDir).forEach((downlevelTypesFilepath) => {
+            try {
+              const content = readFileSync(downlevelTypesFilepath, "utf8");
+              writeFileSync(downlevelTypesFilepath, stripComments(content));
+            } catch (error) {
+              console.error(
+                `Error while stripping comments from "${downlevelTypesFilepath.replace(process.cwd(), "")}"`
+              );
+              console.error(error);
+            }
+          });
+        }
+      });
+  });
diff --git a/yarn.lock b/yarn.lock
index 40f48fc369da4..baa489593b346 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -11294,6 +11294,11 @@ strip-bom@^4.0.0:
   resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-4.0.0.tgz#9c3505c1db45bcedca3d9cf7a16f5c5aa3901878"
   integrity sha512-3xurFv5tEgii33Zi8Jtp55wEIILR9eh34FAW00PZf+JnSsTmV/ioewSgQl97JHvgjoRGwPShsWm+IdrxB35d0w==
 
+strip-comments@2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/strip-comments/-/strip-comments-2.0.1.tgz#4ad11c3fbcac177a67a40ac224ca339ca1c1ba9b"
+  integrity sha512-ZprKx+bBLXv067WTCALv8SSz5l2+XhpYCsVtSqlMnkAXMWDq+/ekVbl1ghqP9rUHTzv6sm/DwCOiYutU/yp1fw==
+
 strip-eof@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/strip-eof/-/strip-eof-1.0.0.tgz#bb43ff5598a6eb05d89b59fcd129c983313606bf"