AirBnB discount possible?

refer and earn is there, pm me if you need referral 
and sometimes 5% off codes come

Try contacting the host and take the deal offline. This way, you can save some money on taxes charged by Airbnb.

Now, ethically this is wrong because it's the platform fee they're charging in terms of taxes and that's how they earn money but it's us who've to bear this more than the host. So, proceed ahead as per your wish.

Is Airbnb safe in India ? I mean it's just a home with no security and staff. Host is there but a lot of them lack reviews. How's your experience so far?

It's a value creation business.

As a family who travel with infant, toddler, old parents, hotels are often not convenient. Eating outside food in all the meals. Having 150 sqft rooms to stay is a pain. I like if we get a good furnished 3 bhk in a decent location. Most of them have free parking. It was impossible to connect and trust before AirBnb. Even the cost is decent as compared to hotels. The use case is not for every individual and every vacation. But comes handy at times. Even the hosts are happy with lower returns as they compare it with rental returns rather than hotel service level returns.

If only there was a worthy competitor, Airbnb comission would have been in control. I don't trust vacation rental booking using Goibibo, booking.com etc..