To answer this question, we need to know the establishment year of Lady Curzon Hospital in Bangalore Cantonment. Let's go through each option to determine the correct answer:
Option A) 1863 - This option is incorrect because it does not match the correct answer.
Option B) 1864 - This option is the correct answer because it matches the given correct answer.
Option C) 1865 - This option is incorrect because it does not match the correct answer.
Option D) 1866 - This option is incorrect because it does not match the correct answer.
Therefore, the correct answer is Option B) 1864. This option is correct because it matches the given correct answer.