How many exchanged Indian enclaves are listed within police station Daikhata Chhat?
The text provides a list of exchanged Indian enclaves. To find out how many of these are listed within police station Daikhata Chhat, you need to look at the 'List of Exchangeable Indian Enclaves in Bangladesh with Area' table, specifically at column 3 ('Lying within Police station W. Bengal').

The entry for Police Station Daikhata Chhat is numbered '14'. The numbering starts from '1', so there are 14 rows before it that aren't listed under this police station. Row '15' of the table, which represents the enclaves within police station Daikhata Chhat, includes entry '30'.

This indicates that there is one exchanged Indian enclave listed within police station Daikhata Chhat.