This is my response to you:
1. Since the agreement expires on 30th june, you will have to wait till that date;
2. If they have not paid rent, then you can send him a legal notice demanding the payment of the rent due by him;
3. If he still does not pay then, as per reading of section 5 sub section (7) of the West Bengal Premises Tenancy Act, 1997 the tenant has not performed his duties;
4. If he does not then you can file complaint to the controller;
5. You can check for other remedies if the tenant does not vacate your premises on 30th june on this link: http://www.hooghly.gov.in/dllro/pdf/W.B%20PREMISES%20TENANCY%20ACT,1997.pdf