Here's what the celebrities had to say on micro-blogging site Twitter:
Pooja Bedi: 26/11 once again!!! And monster Kasab still not hung for the massacre caught on tape and eyewitness accounts! What strong message are we sending? My thoughts and prayers today with all victims of terrorism in India and abroad! Let's push for swift and stern sentencing of terrorists!
Lata Mangeshkar: Aaj 26/11 hai, 2 saal pehele Mumbai par jo aatanki hamla hua tha, jisme kai maasoom logon ki jaanein chali gayi, kai log zakhmi hue, kai ghar ujad gayein, un sabhi bhai behenon ko, bacchon ko, aur us me apne pranon ki aahuti de kar kai logon ko bachaane wale un mahan veeron ko, unki is behen ki bhavbheeni shraddhanjali...."
(Today is 26/11 and two years ago on the same day Mumbai was hit with terror attacks in which innocent people lost their lives, many got injured, many families were ruined... I pay a very humble tribute to all those people, children and the courageous people who sacrificed their own lives to save others.)
Amitabh Bachchan: Today 26/11! Horrors of terrible visuals, pride in bravery of our men in uniform and deepest thoughts and prayers for lost lives.
Abhishek Bachchan: Our thoughts and prayers with all those who lost loved ones on 26/11. We will never forget!
Madhur Bhandarkar: Today is the second anniversary of 26/11. (I) feel so sorry for the innocent lives lost and (I) salute the martyrs. Doesn't matter how hard Mumbai is hit, it has always bounced back with a bang, with a zest of life. Jai Hind!
Anupam Kher: 26/11 tragedy completes two years. And we are still debating about (Ajmal Amir) Kasab's fate. A silent prayer for the victims and their families.
Diya Mirza: Have not forgotten and will not forget this date. 26/11.
Pooja Bhatt: Amidst this barrage of corruption the nation seems to be subjected to I can't help but feel that the fires of 26/11 still tragically rage on.
Arshad Warsi: 26/11, a day that showed our weakness and our strength. I salute our security forces for laying their lives for us, and Mumbai for its resilience.
Ram Gopal Varma: We will never forget 26/11...We will never forget that we can die any time.
R. Madhavan: Heart goes out to all who lost their near and dear ones in Mumbai on this day. We will never forget.
Kunal Khemu: 26/11- prayers for all those who lost their lives and for all those who lost their loved ones!
Minissha Lamba: 26/11...Salute to our martyrs...Amen.