Follow the below Steps to Fetch Real-Time Data for the Market data API on the TrueData Sandbox page:
Please visit this site first >>https://wstest.truedata.in/
Step 1 >> Select RT (8086)
Step 2 >> Enter your User Name and Password
Step 3 >> Click on Add Symbols
Step 4 >> In the "Request" column you can enter the symbols of your choice (MCX and/or NSE Futures)
Step 5 >> Now click on "Send Text" button
Step 6 >> You will see Real-Time Data