Match List I with List II and select the correct answer using the code given below the lists :

List I (Group in field operation)	List II (Role)
A. Perimeter group	1. To isolate the target area
B. Cover group	2. To neutralize the target
C. Raid group	3. To provide protection to the raid group
D. Support group	4. To handle contingencies

In tactical field operations (often used by police and paramilitary forces), groups are assigned specific roles to ensure a successful raid:

• Perimeter Group (A-1): Their primary task is to isolate the target area, preventing the escape of suspects and the entry of unauthorized persons.
• Support Group (D-2): In this specific tactical framework, the support group is often tasked with the direct neutralization or apprehension of the target while the raid group moves.
• Raid Group (C-3): This group is the main assault element. In many standard procedures, the raid group provides the primary movement, while the cover group protects them, or vice versa depending on the manual.
• Cover Group (B-4): This group is positioned to handle contingencies, such as unexpected fire or secondary threats, ensuring the safety of the raiding party.

Based on standard tactical training modules for Indian security forces, the matching 1-4-3-2 corresponds to Option D.