Step 1: About Kamaladevi Chattopadhyay.
Kamaladevi Chattopadhyay was a prominent freedom fighter, social reformer, and an active participant in the Indian independence struggle. She is also remembered for reviving Indian handicrafts and theatre.
Step 2: Participation in Gandhian movement.
She played an important role during the Civil Disobedience Movement (1930), especially during the Salt Satyagraha. She was one of the first women to be arrested by the British while leading protests.
Step 3: Conclusion.
Thus, Kamaladevi Chattopadhyay was an associate of Gandhiji in the Civil Disobedience movement.
\[
\boxed{\text{Civil Disobedience movement}}
\]