Dua Qubool Kyun Nahi Hoti Reason for our prayers not accepted

Dua Qubool Kyun Nahi Hoti? Reason for our prayers not accepted ? dua kesy manngy . dua kesy qabool hoti hy dua mangny ka tariqa dua kesy mangi jati hy ? dua mangny ka sahi tariqa dua kesy qabool hoti hy