How long term share considered that is accumulted gradually?

FIFO method would be followed i.e. shares bought in 2009 will be deemed to be sold first

same message put in the reply with more formatting

Here is the transaction details.

For this scenario, the tax charges will be as follows as per the above comment.

First 100 units - No tax (STT paid + transaction done only through stock exchange)

Next 50 unis  - 15% tax (STCG).

Am I right?

yes you are right !

Thanks Ashish.