Bidah

Assalamualaikum, I am speaking from Sutrapur, Dhaka, Bangladesh. My question to you. Plays. In the evening, fireworks explode and lanterns fly. I and many others dislike these. The imam of the mosque forbade these celebrations. In India, Nepal and Sindh in Pakistan this day is also celebrated as Makar Sankranti. What does Islam say about this ?? Is This Bidah??