I am so much interested in buying this replica of sniper rifle which shoots plastic BB's

click here for product details
I have contacted them and they are ok to ship to india.
Paying them is not the problem for me through any method. I can do both paypal or CC.
I have gone through all the threads here, that states u must have membership of Rifle association. which is costing 5000/- in pune PDRA.
1. Is this legal to import this replica.
2. does i really need a NRAI membership to import this gun