Actually, I agree with such changes. It's not like India is now going to hang children for petty crimes, the change will only affect teens of 16-18 years old that committed really serious crimes (i.e. murder, rape). Seriously, do you think 3 years of imprisonment for brutal murder and gang rape(0) is adequate? In my point of view, a person capable of such actions (despite their age) is worth the maximum sentence.
0. https://en.wikipedia.org/wiki/2012_Delhi_gang_rape