How to Activate Face Recognition in Android Mobile

Unlocking your Iphone with your Face is new thing that is creating Buzz across the Globe with introduction of Face Detection Feature in IPhone X. Many of us might have tried and fascinated with this ultra modern feature as well. But unknown to many this so called out of box feature is a base product feature of Android.
Yes, you heard it right. You can activate Smart lock feature where you can unlock your android mobile with your face. If you are owning an Android mobile with Nougat operating system then you can activate it. 
Setting -> security -> Smart Lock -> Trusted Face. Step for the same has been given below for your reference.
Apart from Trusted Face, you can setup different other unlocking modules as available below :

RBI Issues a new ₹50 series Note and its security Features

RBI has issued a statement on its official website that new series of ₹50 will be issued to public very soon.  New ₹50 series will carry a motif of "Chariot of Hampi" on the back and with Mahatma Gandhi on the Front with a fluorescent Blue base. Amidst highly anticipated ₹200 notes from RBI, issuing of new series of ₹50 is a good move. It is also mentioned by RBI that existing notes of ₹50 denomination will continue to exist and are valid.

Below are security features of newly Introduced notes :

Obverse (Front)
1. See through register with denominational numeral 50,
2. Denominational numeral ५० in Devnagari,
3. Portrait of Mahatma Gandhi at the centre,
4. Micro letters ‘RBI’, ‘भारत’, ‘INDIA’ and ‘50’,
5. Windowed demetalised security thread with inscriptions ‘भारत’ and RBI,
6. Guarantee Clause, Governor’s signature with Promise Clause and RBI emblem towards right of Mahatma Gandhi portrait,
7. Ashoka Pillar emblem on the right,
8. Mahatma Gandhi portrait and electrotype (50) watermarks,
9. Number panel with numerals growing from small to big on the top left side and bottom right side.
Reverse (Back)
10. Year of printing of the note on the left,
11. Swachh Bharat logo with slogan,
12. Language panel,
13. Motif of Hampi with Chariot,
14. Denominational numeral ५० in Devnagari.

source : RBI Official website