There are many things which can be easily answered.

1-

was to have a barrage of men stealing the show

There is only one gender based dept and hence the lack of mens right dept will cause them to raise their voices elsewhere.

2-

those large signboards with bright backgrounds (often in bright yellow) on small side roads announcing a ‘distressed male helpline’ in capital letters

The govt publishes ads for women's dept. So what is the point?

3-

Their questions are fascinating to read: there are very few men who didn’t seem to see the need to ask hundreds of questions about false cases and suicides with statistics that sounded made up.

It would be good if she posted those claims and debunked them instead of dismissing them by labelling as "made up"

3-

It didn’t take long for a man to comment saying grandly, “Soon there will be a ministry for man and only man.” Gandhi said she would happily support such a group, but it seems like there already is.

There is no such commission we need such one. Also laws need to be gender nuetral. That is the basis of equality. A law should not have bias.