The correct options are
A Early Harappan Phase
B Mature Harappan Phase
C Later Harappan Phase
The period of Indus Valley Civilisation can be divided into three parts or phases. The Early Harappan period that extends from 3300 BCE to 2600 BCE, the Mature Harappan phase from 2600 BCE to 1900 BCE, and the Later Harappan phase from 1900 BCE to 1700 BCE.