Hi Ajaya,

The supplementary subjects of BA economics hons at Maharajas college Eranakulam are as follows:-

• International Trade: Theory and Policy
• Operations Research
• Software Packages for Analysis of Data
• Game Theory
• Research Methodology

Refer here for detailed syllabus - https://maharajas.ac.in/images/UG_Syllabus_Economics(Hon)_2020.pdf

Feel free to ask doubts in the Comment Section.

I hope this information helps you.

Good Luck!