Bangalore Metropolitan Transport Corporation [BMTC] — I didn't collect my 75rs change from 502H bus conductor

Address:

Bengaluru

I travelled in a bus 502H from 8th maili to kenchapura cross ticket cost is 25rs i didn't have change so i gave 100rs and bus conductor wrote 75rs at the back of the ticket i am new to that rout and first time i travelled in bus in that rout so i panicked when my stop will come and when to get down in this worry i forgot to collect my 75rs change from 502H bus conductor
Please help me to get my 75rs change to which bus department i should go to collect my 75rs change