Which drainage pattern is seen in grid square 3893?

1. Radial
2. Dendritic
3. Trellised
4. Intermittent

What does the number 381 indicate in grid square 4388?

1. Approximate height is 381
2. Relative height
3. Spot height showing the height of a particular point above sea level is 381 m
4. Spot height showing the height of that place is 381

Which drainage pattern is seen in grid square 4196?

1. Dendritic
2. Trellised
3. Radial
4. Intermittent

The blue line in the main river indicates

1. A perennial
2. A thin perennial Nala
3. A thin water channel
4. A stream