Untouchability can be many forms like.. When a person belongin to a untouchable group goes to a tea stalll and he is not given tea or the tea provided to him in poor conditions or what so ever can be called untouchability..
Another can be seen in public parks like untouchable people are not allowed or something likr that...
Electoral constituency is the rehion where the election is gng to be held..
There are different constituencies within the same state for the lok sabha election and legislative or state elections