Hi Keerthi,

The gram sachivalayam jobs basically focuses on works related to gram panchayat like land monitoring,problem solving,skill development,etc.

The eligibility for this is as-

●educational- graduation  (as per new notification )

●age limit- 18 to 32 years

The exam pattern is as follows -

●Paper1 - G.K.--- 70 questions --- 60 marks

●Paper2 - general maths and logical reasoning----- 30 questions ---- 40 marks

Most probably paper mode will be offline/written.

Books to refer- 

ncert books for gk and maths

your state board books as well

agarwal reasoning

arihant publications ;etc

you can also go for many other books and journals too .

According to me, this is a good job as well as reputable one with good salary too for which you have to apply and try.

For more details please check out the official sites.

Good luck.