Landlord deducting amount from the security deposit

Hi I stayed in a flat for 20 months, 11 month agreement is over. i have renewd only by words not in agreement for the next half. 1) he is saying he will paint only in asian paint company painters and it costs around Rs 21000. But other painters are charging around Rs 14000 to 16000. even that painter spoked to him, but he is saying he will go only to the asian company painter. 2) Electrical problem charge for Rs 2100. Ex - only 2 Tube Light choke is need to replace. but he is changed entire tubelight set. fan is working good. he changed capacitor for all fans and Dedtucting the amount.