Mamata Banerjee today said that the CPM and Congress were completely "unprincipled" for trying to form an alliance ahead of assembly elections in West Bengal. At her fiery best during an address to party workers at the Netaji Indoor Stadium in Kolkata on Friday, Ms Banerjee said, "The very CPM that used to call Rajiv Gandhi as Bofors Gandhi, and called Indira Gandhi a cruel woman, that CPM is now saying come and hold my hand. It is wrong. They are sacrificing principles. They are saying to us, what will happen to you if we form an alliance? Nothing will happen to us."