Concept:
These legislative acts were introduced in different years to address public health, disaster management, and healthcare-related issues in India.
The years of introduction are:
• Epidemic Diseases Act -- 1897
• Pre-Conception and Pre-Natal Diagnostic Techniques (PCPNDT) Act -- 1994
• National Disaster Management Act -- 2005
• Mental Healthcare Act -- 2017
Step 1: Identify the oldest Act.
The Epidemic Diseases Act was introduced in:
\[
1897
\]
Thus, the first Act is:
\[
B \; (\text{Epidemic Disease Act})
\]
Step 2: Identify the next Act.
The PCPNDT Act was introduced in:
\[
1994
\]
Thus, the second Act is:
\[
D \; (\text{Pre Conception and Pre-Natal Diagnostic Techniques Act})
\]
Step 3: Identify the third Act.
The National Disaster Management Act was introduced in:
\[
2005
\]
Thus, the third Act is:
\[
C \; (\text{National Disaster Management Act})
\]
Step 4: Identify the most recent Act.
The Mental Healthcare Act was introduced in:
\[
2017
\]
Thus, the final Act is:
\[
A \; (\text{Mental Healthcare Act})
\]
Step 5: Determine the chronological order.
Therefore, the correct order is:
\[
B \rightarrow D \rightarrow C \rightarrow A
\]
Hence, the correct answer is:
\[
\boxed{(D)\ B, D, C, A}
\]