Pledging shares in Upstox is a straightforward process that is used to allow users to use their owned shares as collateral for the means of margin trading or other financial transactions. Here's a step-by-step guide on how to pledge shares in Upstox: 

Account Setup: You should always ensure that you are an active Upstox trading account. If you don't then you'll need to create one and complete the necessary KYC (Know Your Customer) procedures.

Login: You are supposed to visit the Upstox website or you can just simply use the Upstox mobile app. Then you should log in to your trading account using your credentials which will help you understand how to pledge shares in Upstox. 

Access Your Portfolio: Once you are able to log in, you are supposed to navigate to your portfolio section. And you should know that this is the place where you can easily view your holdings and simply manage your shares. 

Select Shares to Pledge: You should identify the shares that you want to pledge. At the same time, you are supposed to make sure that they are in your demat account with the help of Upstox and this process also helps you understand margin pledge meaning at the same time. 

Initiate Pledge Request: You are supposed to select the shares you want to pledge and then just simply initiate the request. And interesting that you may find an option like "Pledge/Unpledge" or "Collateral Management" in your own portfolio section.

Review Terms and Conditions: You should keep in mind that you should read and understand the terms and conditions which is associated with the pledging shares. You should also know that this will include details and interest rates, margin requirements, and other relevant information. 

Confirm Pledge: When you will be able to review the terms, confirm the pledge request. You should also know that Upstox will typically ask you to confirm the quantity and other details of the shares you simply wish to pledge. 

Approval: You should know that a pledge request will be sent to the Depository Participant (DP) for the sake of approval. You should also know that DP is solely responsible for the pledge verifying and approving criteria. 

Pledge Confirmation: Once the DP approves the pledge, you will receive a confirmation notification. Your pledged shares will be blocked for collateral purposes, and you can use them for margin trading or other transactions.

Managing Pledged Shares: You can monitor your pledged shares and their status through the Upstox trading platform. Keep an eye on any margin calls or additional requirements that may arise.

Unpledge Shares: If you want to release the pledged shares, you can simply initiate an unpledged request with the help of the Upstox platform. Typically you also realize that you should always keep in mind that there may be a cooling-off period before the shares are fully released. 

Interest and Charges: You should be aware of any type of interest charges or fees associated with pledging shares. And these will always vary which is used to be based on the terms and conditions of the pledge. 

Conclusion
You should always remember that while pledging shares can provide you with additional trading flexibility, and it also involves risks. If the value of your pledged shares falls significantly, then you may be required to add more collateral or face the possibility of any type of liquidation by the broker to be able to easily cover your losses. Therefore, it's essential to thoroughly understand the terms and then closely monitor your pledged shares when you are using them for trading or other purposes.