Answer : 3. "2013"
Explanation :

NOTA was implemented for the first time in India in 2013.

1. Year: 2013

2. Election: Assembly Election

3. States: Chhattisgarh, Mizoram, Rajasthan, Madhya Pradesh and Delhi

4. Option: NOTA ('None of the Above)

5. Objective: To provide more choices to voters and strengthen democracy