How to calculate tds on capital gain for nri

Hi,

Assessee is purchasing a flat from NRI i.e. Resident of Dubai, UAE.

Sale consideration for the flat is Rs. 3,60,00,000/-, which were purchased on 12 March, 2008 for Rs. 2,32,28,060/-.

how to calculate tha amount of TDS to be deducted by the assessee after considerating capital gain on the above.

& what is the procedure for issuing Form 15CA & Form 15CB.

Please I'm looking for calculation part. I have already read Section 195.