3.
When agriculturists produce primarily for themselves and are unable to produce for the market, it is known as:

4.
Match the following in the term of City and Slum.
List I (City) List II (Slum)
a. Madras 1. Chal
b. Bombay 2. Cherry
c. Calcutta 3. Ahata
d. Kanpur 4. Basti