Here Comes Some Bengali Jokes: :) 

An angry Bengali letter? 
Chitti-chitti Bong Bong. 

A talkative Bengali? 
Bulbul Chatterjee. 

An enlightened Bengali? 
Jyoti Basu. 

A stupid Bengali girl? 
Balika Buddhu. 

A Bengali marriage? 
Bedding. 

A Bengali voyeur? 
Keyhollo. 

A mad Bengali? 
In Sen (insane). 

A dark Bengali who lives in a cave? 
Kalidas Guha. 

A perfumed Bengali? 
Chandan Dass. 

A Bengali goldsmith? 
Shonar Bongla. 

What is bigger than the state of Bengal? 
The Bay of Bengal