which is the best book for shortcut and quick calculations/mnemonics for physics? (there are a few books of chemistry,biology and mathmatics dealing with this in market and they are providing a lot of help to some candidates to deal with mcqs.)

@ RUDRA 
u can go with handbook of physics by arihant . 
and physics cracker by mtg publication are also a good books . 
for objectives u can take objective mcq for neet by mtg publication . 
otherwise go with physics spectrum , physics for you – the monthly magazine by arihant and mtg respectivly . 
and after that , also take a look at askiitian self study package , they are also good and they have mnemonics and shrtcut too explained by teachers . 
HOPE IT CLEARS YOUR DOUBT 
ALL THE BEST ..

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