To make not level or flat
असमान बना देना
English Usage: The construction crew had to uneven the surface before laying the foundation.
Hindi Usage: निर्माण दल को नींव रखने से पहले सतह को असमान बनाना पड़ा।
asmaan bana dena, asman bana dena, asman banadeena, asmān bana dena