should the tenant with the expressed or implied consent of the landlord continue in occupation of the demise premise or any part thereof after the expiration of the said term of tenancy, the tenant shall be considered to be as calendar monthly tenant and shall give one calendar month's notice of his intention to quit and shall be bound to quit the demise premise upon receiving one calendar month's notice to that effect from the landlord, such notice to expire at the end of any current month of the tenancy. The calendar monthly tenant shall pay double amount of the rental in clause 3 until he quits the demise premise