Time management is very much important in IIT JAM. The eduncle test series for IIT JAM Mathematical Statistics helped me a lot in this portion. I am very thankful to the test series I bought from eduncle.
Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Nitin meel
space lattice means in space which can be described using the coordinates x,y&z so it exist in 3D only. If you talk about 2D then it will be in plane not in space.