ITC claim

vipul kumar (Working for ca firm) (79 Points)

26 May 2018  
I applied for gst reg at 6 may 2018 and got it GSTIN at 15 may 2018 so can u tell me from when i m able to claim ITC of old bills which i had purchased before 15 may 2018 or i m not able to claim ITC of old bills which i had purchased before 15 may 2018.