Range Rover 4.4 petrol not starting

Hi All hope you all have had a good Christmas,now to business I was hoping someone can help me, my Range Rover 4.4 petrol 53 plate turn over no problem but will not start I have checked the fuses for the fuel pump and they seem ok I understand it might be a relay presuming that it is a fuel fault is there any othe problem it might be?. Thanks in anticipation.