The correct answer is (c).
The Constitution of India does classify ministers into four ranks viz. Cabinet Minister, Minister of State with Independent Charge, Minister of State and Deputy Minister. This is mentioned in Article 75(1) of the Constitution.
The total number of ministers in the union Government, including the Prime minister, shall not exceed 15 percent of the total number of members in the Lok Sabha. This is mentioned in Article 75(3) of the Constitution.
Therefore, both statements given above are correct.
Here is a brief explanation of each option:
(a) 1 only: This option is incorrect because statement 2 is also correct.
(b) 2 only: This option is incorrect because statement 1 is also correct.
(c) Both 1 and 2: This option is correct because both statements 1 and 2 are correct.
(d) Neither 1 nor 2: This option is incorrect because both statements 1 and 2 are correct.