Will BJP be able to win Bengal by 'Shakti' & 'Kali Bhakti'?

After the assembly elections in Bihar, assembly elections are to be held in West Bengal next year. For which BJP has begun its preparations. Home minister Amit Shah is on a tour of Bengal in view of the West Bengal assembly elections. He has also claimed to form the BJP government with an absolute majority in the assembly elections to be held in 2021.