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Sunday, July 31, 2016

Nisaptham Trust - Address and PAN for 80G

Today (July 31st) is the last day for filing income tax returns. Donations to charity and political parties are exempted for tax under Indian income tax clause 80G.

When it comes to donations, World Vision India used to be my choice because of their professionalism and prompt communications.

Of late, having heavily impressed by Nisaptham Blogger's writings about his charity work, I thought of sending meager amount to his charity Nisaptham Trust. Unfortunately, when I sent that in March, it was not a pleasant experience. I had to randomly follow him through email and WhatsApp to get PAN of Nisaptham Trust; he shared that PAN details after 3-months.

When I try filing returns yesterday, it was another shock; apart from PAN, I also need to furnish the charity address. I quickly searched through Google and there were no results about the address; I can only find its bank account details. Google's autocomplete suggestions hinted the possibility of such queries by others though. One option is to contact the charity and get the address; but I had no hope on its speedy response. So, I had to dig nisaptham.com for about 3 hours and found the charity address hidden in some scanned photos.

And, thought of putting up here for anyone who's searching same address and PAN details of Nisaptham Trust:

Address

Nisaptham Trust
No. 320, 4th Main Road,
AECS Layout, 'B' Block,
Singasandra,
Bengaluru
560068

PAN

AACTN0009L

Hope this helps somebody.

Monday, April 18, 2016

Vodafone India privacy problem: exposes phone numbers

Vodafone India is exposing website surfer/user's phone number to the partner website when using mobile data plan. It might be offering hidden API to those partner websites to uniquely identify users. I have noticed it around 1-year before, thought about blogging, but forgot it at that time. Now, I have got some time and so thought of explaining the issue.

How I noticed the issue?

Sometime ago, I've bought SanDisk microSD card. In the wrapper, they've mentioned about some offer about hungama (Still available in SanDisk website at www.sandisk.in/campaign/landing/hungama/offer_three). The URL mentioned was offers.hungama.com/sandisk3/ and when I opened that in my mobile browser, it was prompting with Welcome, 91-98XXXXXXXX.
Phone number leaked by Vodafone India


I was shocked as I never seen anything like that before. So, I immediately opened the same URL in my desktop browser and got completely different page:
Desktop version of the same page

And, again I tried to open the same page in mobile browser with Wi-Fi alone (by disabling Mobile Data), and now also they couldn't identify my mobile number. So, I realized that it might be something to do with the network (Vodafone). Initially I thought that they may be decoding the phone number from IP address. So, I asked Heleena (my wife) to figure out some pattern for that. Then it turn out that there is no definite pattern. I have also analyzed HTTP headers when browsing through Vodafone internet. Then, realized that hungama might be utilizing some hidden API from Vodafone to decode user's IP to mobile number.

Privacy Issue


At least for me, this looks like a serious privacy issue. hungama at least openly exposes the phone number to users, so that users can know that hungama can read their numbers/identity. But, there may be many sites--especially many social media sites such as Facebook, Twitter, Google, etc may still be uniquely identifying users without revealing it at all.