**Coding-Decoding in CLAT 2018 Preparation:**

**Introduction:**
Coding-Decoding is an important topic in the Reasoning section of the CLAT 2018 exam. It involves deciphering a given code language based on specific rules or patterns. This skill is crucial for solving questions related to coding-decoding, series completion, and analogies.

**Given Code:**
In the given code, "BROUGHT" is written as "SGFVAQN". Now, we need to find out how "SUPREME" is written in that code.

**Analysis of the Given Code:**
Let's analyze the given coding pattern to decipher the code:

1. The letters in the coded word are shifted by a certain number of positions in the English alphabet.
2. The positions of the letters in the coded word are determined by their corresponding positions in the original word.
3. The number of positions shifted is the same for all the letters.

**Decoding the Code:**
Now, let's apply the above analysis to decode the word "SUPREME" using the given code:

1. Take the first letter "S" in the coded word "SGFVAQN". Find its position in the English alphabet, which is 19.
2. Count 18 positions backward in the English alphabet from "S". The letter at this position is "E".
3. Repeat the above step for all the letters in the coded word "SGFVAQN" to decode it.

Following the above process, "SGFVAQN" is decoded as "BROUGHT". Hence, the code for "SUPREME" will be:

1. Take the first letter "S" in the original word "SUPREME". Find its position in the English alphabet, which is 19.
2. Count 18 positions forward in the English alphabet from "S". The letter at this position is "G".
3. Repeat the above step for all the letters in the original word "SUPREME" to encode it.

Therefore, the code for "SUPREME" in the given code language is "GQFTGKS".

**Conclusion:**
In the given code, "BROUGHT" is written as "SGFVAQN". By analyzing the pattern, we can decode the code and find that the code for "SUPREME" is "GQFTGKS".