graded terrace meaning in Hindi

• ढलवाँ वेदिका • ढलवाँ सीढी • प्रवणित वेदिका

graded: अनुस्तरित प्रवणित
terrace: कगार कोठा चबूतरा

The same grade terrace height beside the river is surveyed at almost the same level , proved that the hidden fault under the river never moved after