The source is a Pakistani news paper.
Which source?
If you ask, they will acknowledge. Otherwise why will they? They illegally kidnapped him from Nepal. Why will anyone acknowledge their crimes?
Which will be better deal?
Giving Abhinandan for free and then exchanging Jadav for this colonel?
Or Getting Colonel back in exchange of abhinandan (who was useless for you) and keeping Jadav?
Lets face it, Pakistani were so scared, as admitted by your own leaders :
" Mujhe yaad hei shah mehmood kureshi sahab us meeting mein the jismein prime minister saab ne aane mana kar diya tha,
Pair kaanp rahe the, paseene mathe pe the, aur humse shah mahmood saab ne kaha, foreign minister ne, ke khuda ka wasta isko wapas jane dein kyon ke 9 baje raat ko hindustan pakistan pe attack kar raha hei... woh kuch naheen hona tha koi hindustan ko attack naheen karna tha wo bus ghutne tek ke abhinandan ko wapas behj dena tha"
And then you brag about all sorts of braveries.