To find the code for the word 'CONDUCT' in the given code language, we need to understand the pattern or rule followed in the given code.

Pattern in the given code:
Each letter in the word is replaced by a two-digit number. The first digit represents the position of the letter in the English alphabet, and the second digit represents the number of occurrences of that letter in the word.

Explanation:
1. For the word 'BANKING':
- 'B' is the 2nd letter in the English alphabet and occurs once, so it is encoded as '21'.
- 'A' is the 1st letter in the English alphabet and occurs once, so it is encoded as '11'.
- 'N' is the 14th letter in the English alphabet and occurs once, so it is encoded as '14'.
- 'K' is the 11th letter in the English alphabet and occurs once, so it is encoded as '11'.
- 'I' is the 9th letter in the English alphabet and occurs once, so it is encoded as '19'.
- 'N' is the 14th letter in the English alphabet and occurs once, so it is encoded as '14'.
- 'G' is the 7th letter in the English alphabet and occurs once, so it is encoded as '07'.

Therefore, 'BANKING' is encoded as '721916181912'.

2. Now, let's find the code for the word 'CONDUCT':
- 'C' is the 3rd letter in the English alphabet and occurs once, so it is encoded as '03'.
- 'O' is the 15th letter in the English alphabet and occurs once, so it is encoded as '15'.
- 'N' is the 14th letter in the English alphabet and occurs once, so it is encoded as '14'.
- 'D' is the 4th letter in the English alphabet and occurs once, so it is encoded as '04'.
- 'U' is the 21st letter in the English alphabet and occurs once, so it is encoded as '21'.
- 'C' is the 3rd letter in the English alphabet and occurs once, so it is encoded as '03'.
- 'T' is the 20th letter in the English alphabet and occurs once, so it is encoded as '20'.

Therefore, 'CONDUCT' is encoded as '03151404210320', which matches option 'D' (83019942825).