Section 170(8) in Karnataka Municipalities Act, 1964
(8)If the municipal council does not refuse sanction within six months from the date of receipt of the application under sub-section (2), or from the date of receipt of all information asked for under sub-section (7), such sanction shall be deemed to have been granted and the applicant may proceed to form the extension or layout or to make the street but not so as to contravene any of the provisions of this Act or the rules or bye-laws made under it.