we can tie black ribbon in favour of anna's movement.dis wud neither require any time devotion towards movement.but it wud certainly act as SILENT MOVEMENT .STUDENTS CAN CERTAINLY TAKE PART IN DIS WAY.dey wont hav to come on roads or miss their classes in dis way.we are too with anna but the fact is that students cant show thier existence in dis movement,especially those who r goin to give job interview