TY  - BOOK
AU  - Sivadasan P. 
TI  - Vadakkan Keralathile kottakal - 
KW  - HIS
KW  - North Kerala
KW  - Forts
KW  - Ezhimala fort
KW  - Colonial rule
KW  - Bekal fort
KW  - Chandragiri fort
KW  - Tippu Sultan
KW  - Palakkad fort
KW  - British rule
ER  -