I am using Google Chrome canary Version 54.0.2830.0. Typescript files are there but those are not loading the code to debug.
Posting an answer here so that it may help others. I was using visual studio Web API project and project settings were not allowing client the access to static files. Due to which chrome was unable to load the Typescript files and map files. To solve this, i had to add the following line in my web.config file to allow state contents.
<system.webServer>
<staticContent>
<mimeMap fileExtension=".ts" mimeType="application/x-typescript" />
</staticContent>
</system.webServer>