How much extra I have to pay if I want my magazines to be dispatched by courier?

Following is the list of subscription charges with Book Post mode of dispatch.

Subscription type	9 Months	15 Months	27 Months
Individual Magazine P or C or B or M	300	500	850
PCB/PCM	900	1400	2500
PCMB	1200	1900	3400

Following is the list of subscription charges with Courier mode of dispatch.

Subscription type	9 Months	15 Months	27 Months
Individual Magazine P or C or B or M	540	950	1450
PCB/PCM	1140	1850	3100
PCMB	1440	2350	4000