Here are the lists of the Top searched keywords in India by category:
Most Searched Queries:

Source
IRCTC
Flipkart
SBI Online
Snapdeal
PNR Status
HDFC Netbanking
Cricbuzz
Google Translate
Times Of India
Amazon
Most Trended Movies:

Source
Ragini MMS 2
Kick
Jai Ho
Happy New Year
Bang Bang
Heropanti
Main Tera Hero
2 States
Ek Villain
Singham Returns
Most Trended Searches:

Source
Elections 2014
FIFA 2014
iPhone 6
GATE 2015
Narendra Modi
IPL 2014
Ragini MMS 2
Kick
Jai Ho
Happy New Year
Most Searched People:

Source
Sunny Leone
Narendra Modi
Salman Khan
Katrina Kaif
Deepika Padukone
Alia Bhatt
Priyanka Chopra
Shah Rukh Khan
Poonam Pandey
Virat Kohli
Most Searched Bollywood Actor (Male):
Salman Khan
Shah Rukh Khan
Akshay Kumar
Ranbir Kapoor
Shahid Kapoor
Amitabh Bachchan
Varun Dhawan
Ranveer Singh
Fawad Khan
Emraan Hashmi
Most Searched Bollywood Actor (Female):
Katrina Kaif
Deepika Padukone
Alia Bhatt
Priyanka Chopra
Aishwarya Rai Bachchan
Kareena Kapoor Khan
Anushka Sharma
Shradha Kapoor
Sonakshi Sinha
Sonam Kapoor
Most Searched Tech Devices:
Moto G
iPhone 6
Samsung Galaxy S5
Moto E
Nokia X
Nokia XL
Xiaomi Mi3
Samsung Galaxy Grand
Moto X
iPhone 5S