GST related query

Ajnas (Student) (844 Points)

04 March 2021  
Mr. X purchase product Rs. 120000+18% om September 2017
a). Out of 120000+18% GST some
product is destroyed, damaged/ writt off, free sample
Rs. 60000+18% out on oct 2020, We need to reverse the itc? If yes how much full amount Rs. 120000+18% GST or Rs 60000+18% GST?
b). Suppose Rs.120000+18%GST input is not claimed earlier we need to reverse the itc due to productdestroyed, damaged, writte off, free sample?
c). above mentioned reversal due to detroyed, damaged, write off, free sample is applicable on fixed asset of business?
d). If any interest is applicable on such reversal, interest is calculated from which date?