Today have purchased above mentioned tablet from below mentioned medical store. The store keeper has been told that, customer has to purchase full set of tablet even it is requuired. Becuase of unselling of above mentioned tablet. please help me in this.

The medical store details as below:
S.L Pharma, shop #1, S.R.Towers, Road #4, KPHB Colony,
kukatapally, Hyd - 72.
TIN : 28028440681

Date of purchase : 22/09/2010
Bill No. 2580

My details:
Mob: 09397344812
Mail : rbevinal@gmail.com