What to do if we did a mistake ,how to correct it .... Mistri ne Sara saman eek sath mix kar diya now what to do ...plaster ko 5-6 din ho gaye hai ab mai kya karu .. plaster Mera bathroom mai laga hai ,kya mai uspe tile laga sakta hue ... Mai kisko bulaoo plaster check karne ke liye ...plz help ... Can I send photo ,can you help me ...