Under same pan No. We have multiple  GST registration No. in different  state of India.
we have sold Goods under Maharashtra GSTN No. to our branch
Tamilnadu GSTN No. Value Rs.150000/- on 20/3/22.
On 22/03/22 same goods & same quantity we sold in Tamilnadu other 
party ( not related) valu Rs.200000/-
My question  is - 
Is distnct party valuation  question
arises .Bcoz there is difference of Rs. 50000/- in value ( same qty.same goods)
Is there any contravention of Gst law.
Please guide us elborately; with relevant Gst section.