C2007 was the best...

C2007 had the best set of singers, even better than 2005. Needless to say, 2009 has been the worst by far.

If you pick singers on an individual basis, 2005 had some truly great singers but overall, I think 2007 had the best.

My picks

2005:

History: Nihira, Hema
Superhit: Himani, Aishwarya, Sharib, Vineet
Hit: Debojit, Paresh, Twinkle

2007:

History: Raja, Aneek, Amanat, Musarrat, Junaid
Superhit: Sumedha, Poonam, Harpreet
Hit: Mauli

2009:

History: Pratibha, Zaheer, Kaushik, Shashi
Superhit: Yashita, Vaishali, Saiyon, Mitika, Naina, Soumen
Hit: Sara, Tarun, Shujat, Sunvinder, Debojit