Bengal: PM Modi accuses TMC of gross corruption

After inaugurating a slew of development projects in Assam. PM Narendra Modi storm Mamata's turf. PM inaugurates Kolkata metro extension and addresses a mega rally in Hooghly. PM Modi attacks Mamata Banerjee says Bengal has not seen development for a long time. PM promises Shonar Bangla. PM accuses TMC of gross corruption. Watch the video to know more.