No; you cannot do that because it is illegal in India. True; Wi-Fi wireless technology makes it easy and lawful to share network connections between multiple computers and users without subscribing to an ISP, while logging on to public hotspots; nevertheless, doing so at the cost of your neighbor equates to committing a crime. In other countries it is considered a misdemeanor and so invokes universal contempt and scorn.
Today, most public places such as hotels, coffee shops, restaurants, airports, spas/resorts, etc provide Wi-Fi connections for their clients free of cost or at a nominal fee in order to boost up their popularity, while it is considered quite lawful to avail of such services. However, these offerings are often subject to certain terms and conditions (bearing notice: T&C applicable) that include the following:
Trying to use your neighbor’s wireless access point sans his/her knowledge or permission is a criminal offence in India. Why; it is still considered a misdeed even if your neighbor supposedly agrees to such illegal activity. Then there is the question of professional objection on part of the local ISP who had provided the service to your neighbor.
Similar to stealthily entering a person’s drawing room or library without his or her permission tantamount to trespassing, accessing another person’s wireless internet connection (even open access) without his/her permission is a form of illegal activity punishable by law. As a matter of fact, it matters very little whether any permission or consent has been issued or not.
As per section 43 of the IT Act 2008 (Amended vide ITAA-2006/2008), if any person who is in-charge of a computer, computer system or computer network –
Apart from legal structure that forbids a person from accessing another person’s wireless network, which amounts to taking undue advantage, and that too surreptitiously, it is also ethically improper to cheat an unsuspecting neighbor in this fashion. So, it is always better to go for a connection for your own use. Incidentally, Bhubaneswar based WEFE Technologies provide excellent Wi-Fi connectivity, while their service charges are quite reasonable.