How did Mamata Banerjee, who opposed infiltration, become her supporter?

How did Mamata Banerjee, who opposed infiltration, become her supporter?
How did Mamata Banerjee, who opposed infiltration, become her supporter?
How did Mamata Banerjee, who opposed infiltration, become her supporter?
How did Mamata Banerjee, who opposed infiltration, become her supporter?

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