Apex domains cannot have CNAME records.
Question and response
Question
dig actcorp.in. NS
Answer
actcorp.in. 5 NS ns-203.awsdns-25.com.
actcorp.in. 5 NS ns-564.awsdns-06.net.
actcorp.in. 5 NS ns-1363.awsdns-42.org.
actcorp.in. 5 NS ns-1575.awsdns-04.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0