Now a days in foreign countries, old agernpeople are adapting the assisted healthcare. An ambient assisted living systemrn(AAL) allows the elderly population to achieve the independency. In this paperrnwe are going to take the use of ambient assisted living system with contextrnaware monitoring to make the context aware decisions for the patient. The Bigrndata collected from the AAL system is analysed in the cloud environment,rnanalysing the trends and pattern with associated probability for individualrnpatient and utilizing this knowledge abnormal condition of the patient canrndetected and context aware decisions can be made.