Cost of asset

Yes, Section 48 reads as under:

 'The income chargeable under the head "Capital gains" shall be computed, by deducting from the full value of the consideration received or accruing as a result of the transfer of the capital asset the following amounts, namely :—

(i)   expenditure incurred wholly and exclusively in connection with such transfer;

(ii)  the cost of acquisition of the asset and the cost of any improvement thereto:....'

As explained by others above, brokerage paid to different brokers is allowable, provided (i) clear nexus between brokerage & sale  

transaction & (ii) proof of brokerage payment exists (preferably by mode other than cash)