Roca India / Parryware — Flush Button Not Working

Address:

house no 70, st.no.2,ayali khurd,hambran road,near g k diary chowk,ludhiana

I Have Purchase Water Tank of Wall Hanging Seat Near About 5-6 years back
I Have Facing Problem Immediate after purchase but company service engg come and solve the problem after this many times problem comes but i have solve it by my self recently before six to eight months same problem comes but not cleared so i have requested to company to check and solve the problem