A method and system for detecting attention of a subject is provided. The method comprises determining one or more user specific feature sets from Electroencephalographic (EEG) signals of the subject; determining one or more pool data feature sets from the EEG signals of the subject; identifying one or more features from each feature set for differentiating attention/non-attention signals; determining respective classification scores for each feature set based on the identified one or more features; and combining the classification scores to obtain a combined attention score for said detecting attention.