GS Material subscription doubt

[neuron]

hello friends
my confusion is regarding test series and material apart from standard books.
i am preparing for cse 2015.
plz guide me whether i should join vision test series and gk today program or any other better option available
plz help me

[whitelily]

For Prelims 2015:
Cover the syllabus first. Joining a test series after march would be good.

For Mains 2015:
Practice answer writing from now on a daily basis. Test series would help only if you have cultured the habit of writing.