Concept:
The Swaraj Party, founded by C. R. Das and Motilal Nehru in 1923, aimed to enter legislative councils and oppose British policies from within.
Step 1:Analyze statement A.
Council entry was a primary objective.
\[
\Rightarrow \text{Correct} \quad \checkmark
\]
Step 2:Analyze statement B.
They followed a policy of obstruction from within the councils.
\[
\Rightarrow \text{Correct} \quad \checkmark
\]
Step 3:Analyze statement C.
Constructive rural work was associated with Gandhi’s program, not Swaraj Party.
\[
\Rightarrow \text{Incorrect}
\]
Final Answer:
\[
{\text{A and B only}}
\]