Concept:
The Bharat Ratna is the highest civilian award of India, instituted in 1954. To arrange recipients chronologically, we must identify the exact year in which each personality was conferred the award and then order them in ascending sequence of time.
Step 1: Identify the award year of each recipient
• (L) Amartya Sen: Awarded in
1999 for his contributions to welfare economics and development studies.
• (M) Lata Mangeshkar: Awarded in
2001 for her unparalleled contribution to Indian music and playback singing.
• (K) Sachin Tendulkar: Awarded in
2014 as the first sportsperson and youngest recipient of the Bharat Ratna.
• (O) Atal Bihari Vajpayee: Awarded in
2015 for his statesmanship and lifelong political service as former Prime Minister.
• (N) Nanaji Deshmukh: Awarded posthumously in
2019 for his rural development and social service contributions.
Step 2: Arrange in chronological order
Now arranging the award years in ascending order:
\[
1999 \; (L) \rightarrow 2001 \; (M) \rightarrow 2014 \; (K) \rightarrow 2015 \; (O) \rightarrow 2019 \; (N)
\]
Step 3: Final sequence
Thus, the correct chronological order is:
\[
\text{L} \rightarrow \text{M} \rightarrow \text{K} \rightarrow \text{O} \rightarrow \text{N}
\]
Hence, Option D is correct.