SPOUSES DIONISIO DUADUA SR. AND CONSOLATRIZ DE PERALTA DUADUA, SUBSTITUTED BY THEIR HEIRS GLICERIA DUADUA TOMBOC, DIONISIO P. DUADUA, JR., BIENVENIDO P. DUADUA, PAUL P. DUADUA, SAMUEL P. DUADUA, AND MOISES P. DUADUA, PETITIONERS, VS. R.T. DINO DEVELOPMENT CORPORATION REPRESENTED BY ITS PRESIDENT ROLANDO T. DINO, SPOUSES ESTEBAN FERNANDEZ, JR. AND ROSE FERNANDEZ, AND THE DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS REPRESENTED BY ENGR. TOMAS D. RODRIGUEZ AS THE OFFICER-IN-CHARGE-DISTRICT ENGINEER OF SULTAN KUDARAT ENGINEERING DISTRICT, ISULAN, SULTAN KUDARAT, RESPONDENTS