Without any evidence how come Pakistan catch them??? They must allow them to return to India safely. In India Sushma Swaraj given protection to Pakistani students when the came to India. and ensured safe return to Pakistan. Pakistan must learn from that. They must ensure safety of Indian citizens.
If the same thing was done by Indian intelligence agency all the award wapsi brigade and anti India brigade would have made hue and cry against our intelligence agency. Now they have all gone into hybernation