According to this.
1 – Happy Dent
2 – Asian Paints
3 – Vodafone Zoo Zoo
4 – Maruti Suzuki
5 – Vicks
6 – Bournvita
7 – Surf (Lalita Ji)
8 – ECE Bulbs
9 – Fevicol
10 – Colgate
11 – Dhara
12 – Humara Bajaj
13 – Cadbury Dairy Milk
15 – Gillette
16 – Whisper
17 – Coca Cola
18 – Liril
19 – VIP Frenchie
20 – MRF Zigma
21 – Hutch
22 – Fevikwik
23 – Lifebuoy
24 – Nike
26 – Nirma
27 – Lijjat Papad
28 – Onida TV
29 – Surf Excel
30 – Idea Cellular
31 – Airtel Internet
32 – Britannia Glucon D
33 – Pepsi
34 – Cadbury 5 star
35 – Pepsi (Dhoni)
36 – Google
37 – Ariel
38 – Balbir Pasha Ko AIDS Hoga Kya?
39 – Amul
How many were you able to find?