We want to make an extractor which will extract data from NOW/ NEST Software (terminals provided by NSE) and will feed this data to amibroker. for backup purposes it will also generate the flat file of data parallely as well (or can update a sqlite database). The preferable language to be used is python. There are two ways feeding the data to amibroker either through OLE or through dll. both ways are ok to us(u can chose what ever looks easy to you).
One more thing we will be the owner of the source code and that should not be distributed.