Step 1: Go to Play console account and on the home page you will be asked for the account verification, click get Started.
Step 2: In the next step choose the last verification deadline date and click next
Step 3: Select the type of account
Step 4: If your account is an Organisation Account enter D-U-N-S number details and choose the country.
Step 5: If your account is a personal account choose the country and Click Next.
Step 6 : You will get a preview page and the date will be mention(before 60 days from your chosen deadline) you can start the verification and click Reserve.
Details Required for account verification
Required information for verifying a personal developer account
When account verification is available in Play Console, you'll need to provide:
Legal name (shown on Google Play)
Legal address (country shown on Google Play)
Contact email address (verified using one-time password)
Preferred locale for email communications
Contact phone number (verified using one-time password)
Developer email address (shown on Google Play)
Additional information for personal developer accounts:
Developer website (optional)
Required information for verifying an organization developer account
When account verification is available in Play Console, you'll need to provide:
Legal name (shown on Google Play)
Legal address (shown on Google Play)
Contact email address (verified using one-time password)
Preferred locale for email communications
Contact phone number (verified using one-time password)
Developer email address (verified using one-time password and shown on Google Play)
Developer phone number (verified using one-time password and shown on Google Play)
Additional information for organizations:
Organization type
☆ Company/business
☆ Non-profit
☆ Academic institution
☆ Government
Organization size
☆ 1-10
☆ 11-50
☆ 51-100
☆ 101-1000
☆ Over 1k employees
Organization phone number
Organization website
Reference : https://support.google.com/googleplay/android-developer/answer/14177239