The prateeksha is finally over. After three day celebration, the stage is all set for the much-talked about wedding of the year. Bollywood's hot pair, Abhishek Bachchan and Aishwarya Rai will tie the knot today at the Bachchan's residence, Prateeksha, in Mumbai.In deference to the deteriorating health of Teji Bachchan, Amitabh's mother, who has been hospitalized for several months now, the wedding will be a small, private and an intimate affair.