Courtesy of unlimited supply of advanced weapons systems, funding, military support, economic support and political support from American and Western Europe. That too against a foe who are highly militarily inept and don't have the humongous external support Israel does.
When the Israelis can do that ALL by THEMSELVES like Pakistan has done for nearly 70 years then they can talk. No Israeli enemy wants to defeat them because they know they will get nuked by the world's most powerful military should that happen.
Till then the tiny country in the Middle East is only good at killing innocent unarmed Palestinian babies, men, women, children and elderly.
Lol........
Lol......lol
........if you think india can take Pakistan sector of Kashmir........lol.