Consider the following statements regarding the recent structural changes in the Narcotics Control Bureau (NCB) in Punjab:
1. A new NCB Regional Office has been established in Punjab to strengthen drug control measures.
2. The Amritsar Sub-Zonal Unit has been upgraded to a full-fledged Zonal Unit.
3. The Chandigarh Zonal Unit has been merged with the Amritsar Zonal Unit to create a centralized NCB office.
Which of the above statements are correct?
1
1 and 2 only
2
2 and 3 only
3
1 and 3 only
4
1, 2, and 3