What is the meaning of undercast in Bengali?
Undercast means (নিচু জাতি, কোন ১ টা জাতি বা গোস্টি কে নিচু বা হীন চোখে দেখা।) Lower cast.
this casting system are mainly seen in Indian specially Indian’s Hindu.
As for example, you will noticed that The people of Delhi get all kinds of state facilities but this same facilities are not getting the people of Rajasthan, Tamil, and many places.
Most of the Hindu’s hate another cast specially Muslim. You will find many places in India where muslim are oppressed.
This is called Undercast
You will not seen this casting system in Bangladesh.