Cryptic crossword No 2,683

Across

1. Clouds over Indian city erased from drawings (4)
2. Neutralise contrasting performance (10)
3. Deceives banks (6)
4. Laurel's extreme fan (4)
5. Killed a large number (4)
6. Unscrupulous underworld army controls Tyneside (9)
7. Degenerate clubs protected by Gotham force (6)
8. Subtlety is sidestepping pest (6)
9. President imprisons an international dandy (8)
10. Tonality of flag worn by loveless rabble (6)
11. Transported while shackled (10)
12. Smaller number becoming 500 larger (6)
13. Shades help us endure sunlight, primarily (4)
14. Lacking form, quiet amateur footballer's beginning to suffer (9)
15. Profitable fixed income company (8)
16. Surrounded by a fog engulfing Germany (6)

Down

1. Contemplated united transitioning? (5)
2. Story has attention seeker covering a weakness (6)
3. Whitewash enormous bears (5)
4. Writer overwhelmed by President Hoover's initial success (7)
5. Recalled jerk being enthralled by 'authentic' performance (7)
6. District court beset by riotous noise (7)
7. Calcium-free spot cream (6)
8. Shamefaced husband introduces a no good bitch? (7)
9. Having irrational beliefs, wicked fools retracted promises (13)
10. Omitted from Loco Grotto in Slough (9)
11. Home counties battle for confidentiality (7)
12. Overcame spin with a veiled shot (9)
13. Remain plastic as putty (4,3)