Step 1: Plan:
I will define each of the four terms and see which one means the set of bols for a taal.
Step 2: Theka:
A theka is the skeleton of a taal, made of tabla bols such as Dha, Dhin and Na in a fixed order.
Step 3: Other three terms:
Avartan means a cycle, Tali means a clap with sound, and Khali means a silent beat shown by a wave of the hand.
Step 4: Match:
Only the theka is made up of bols, played on the tabla to present the taal.
Step 5: Conclusion:
The answer is Theka, option 1.
Final Answer:
Theka is the answer, option 1.
\[ \boxed{1} \]