Patanjali Ayurved — expired product selling

Address:

Blde engg college opp, Bijapur, Karnataka, 586101

I purchased Tulasi ghanavati and retailer gave me a expired product from its mfg in 2017 after i checks the expired of the product asked to retailer is it any harmful to takes expired pills
Then he told me nothing will happen after taking this tablets my body going to little fever coming and this is not the first time in Bijapur Karnataka in my city how many Patanjali shop have there is only selling a expired product
Now what i do that expired product use or not Patanjali products are very good to use but the retailers are saleing expired product it's mine 2nd to I'm fooling before 1month i purchased lavangavadi vati that product also given expired and this product mfg in 2014 what to tell about that now