It is Allah who has sent down the Book in truth and (42:17)

Almuntakhab Fi Tafsir Alquran Alkarim

Allah is He Who has sent down the Book -The Quran- and the Books sent down before; He sent them down in conformity with truth and in agreement with reality and with the balance of reason and justice, And you never know; the predetermined Hour may well be drawing near and be soon in sight

Tafseer Tafheem-ul-Quran by Syed Abu-al-A'la Maududi

(42:17) Allah it is Who sent down this Book with the Truth and the Balance. *32 And what would make you know that the Hour (of Judgement) has drawn near? *33

It is Allah who has sent down the Book in truth and meaning

*32) Mizan (Balance): the Shari ah of AIlah, which, like a balance, brings out clearly the distinction between the right and the wrong, the Truth and falsehood, justice and injustice, and righteousness and wickedness. In verse 15 above, the Holy Prophet has been made to say: "I have been commanded to do justice between you." Here, it has been told that with this Holy Book the "Balance" has come by which justice will be established.
*33) That is, "The one who is inclined to mend his ways, must mend his ways forthwith: he should not lose. time under the delusion that the Hour of lodgement is yet far off. Man cannot be sure whether he will be able to take another breath or not: his present breath may be his last. "
 

It is Allah who has sent down the Book in truth and meaning in Urdu

وہ اللہ ہی ہے جس نے حق کے ساتھ یہ کتاب اور میزان نازل کی ہے اور تمہیں کیا خبر، شاید کہ فیصلے کی گھڑی قریب ہی آ لگی ہو