Step 1: Define Sanskritization.
Coined by M. N. Srinivas, Sanskritization refers to the process by which lower castes adopt the rituals, customs, and lifestyle of higher castes to elevate their social status.
Step 2: Example.
Wearing the sacred thread, traditionally associated with Brahmins, is a classic case of Sanskritization, indicating ritual emulation to gain prestige.
Step 3: Conclude.
\[
\boxed{\text{Sanskritization (Option B)}}
\]