Investing in the stock market can be an exciting journey towards building your wealth. However, it's crucial to grasp the ins and outs of taxes and charges linked with buying stocks in India. These fees may seem small individually but can add up significantly, affecting your overall returns. 

1. STT :
  When you buy or sell stocks or mutual funds, you're charged a Securities Transaction Tax (STT). It's akin to a tiny fee you pay to the government, calculated as a percentage of your transaction value. For instance, if you purchase shares worth Rs. 10,000 with an STT rate of 0.1%, you'll incur Rs. 10 as STT.

2. GST :
  Apart from brokerage fees, you also need to pay Goods and Services Tax (GST) at a rate of 18%. For example, if your brokerage charges Rs. 500 for a transaction, you'll pay an additional Rs. 90 as GST, making your total payment Rs. 590.

3. Stamp Duty :
  Stamp duty, charged by state governments, varies but typically represents a small percentage of the transaction value. For instance, if your state's stamp duty rate is 0.01% and you buy shares worth Rs. 50,000, you'll pay Rs. 5 as stamp duty.

4. Exchange Transaction fee :
  Stock exchanges levy transaction charges on every trade, calculated as a percentage of the transaction value. For instance, if the charge is 0.00325% and you buy shares worth Rs. 20,000, you'll pay Rs. 6.50.

5. Depository Participant (DP) Charges :
  DP charges are fees paid for holding and managing securities in electronic form. These can be either yearly or per transaction. For instance, if your DP charges Rs. 15 per transaction, you'll pay this fee each time you buy securities.

6. Brokerage Commission :
  Brokerage commission is the fee paid to your stockbroker for facilitating trades. This fee can be a percentage of the trade value or a fixed amount per trade. For example, if you buy stocks worth Rs. 15,000 with a 0.5% commission rate, you'll pay Rs. 75 as brokerage commission.

7. Other Charges :
  Additionally, there might be other charges such as regulatory fees or service taxes, depending on your broker and the transaction type.

Understanding these taxes and charges is vital for optimizing your investment strategy. By factoring them into your calculations, you can make more informed decisions and maximize your investment returns in the long run. So, before taking the plunge into the stock market, ensure you have a clear grasp of these financial aspects.