“…Mere absence of or production of fake or invalid driving licence or disqualification of the driver for driving at the relevant time, are not in themselves defences available to the insurer against either the insured or the third party. The insurance company to avoid the liability, must not only establish the available defence raised in the proceeding concerned but must also establish breach on the part of the owner of the vehicle for which the burden of proof would rest with the insurance company. Whether such burden had been discharged, would depend upon the facts and circumstances of each case. Even when the insurer is able to prove breach on the part of the insured concerning a policy condition, the insurer would not be allowed to avoid its liability towards the insured unless the said breach of condition is so fundamental as to be found to have contributed to the cause of action. The question whether the owner has taken reasonable care to find out whether the driving licence produced by the driver was fake or not, will have to be determined in each case. … … …. ….