Your issue pertains to Goods & Services Tax law. You will have to present and represent your case before the department. Please share copy of demand notice with me in order to reply & give you detailed opinion. You can approach me for complete GST consultancy.
You may reach out at email@example.com or +91-9818566928.
Adv. Akshay Lal
Taarkik Legal - Advocates & Consultants