Accounting for bonus issue general entries

Dear Chartered accountants,plse explain me the following journal entries.....

capital redemption reserve a/c Dr
securities premium accounta/c Dr
General reserve a/c Dr

To bonus to shareholders a/c



Bonus to shareholders a/c Dr
To equity share capital a/c


General reserve a/c Dr
P& L a/c Dr
To bonus to shareholders a/c

share final call a/c Dr
To share capital a/c

Bonus to shareholders a/c Dr
To share final call a/c

please explain this journal entries