Property name on step mother we live together how to get share in it

Hlo sir Sir mera English weak hai so I write in hindi please reply me Sir mere ghar me Mai aaur meri maa aaur meri stepmother rahte hai.mera papa Mai 9 years ka tha tab chal base(death) aaur.aab mai aapna story batata hu .meri Jo step mother hai unki koi child na hone k Karan mere papa ne meri mom se sadi Kiya aaur uske bad mera janm hua .par Jo property land hai ham logo ka wo meri step mother k Nam se hai Jo ki papa ne dusri sadi k pehle hi unke Nam kardi thi . Aab papa k death k bad roj ghar me mere min aaur meri stepmom se jhagde hote rahte hai aaur my stepmom dislike me kyu ki mere Jo relative hai father side ki wo log meri stepmom ko varkati rahti hai ki wo log aacha nahi unke hath ka kuch mat khana jahar Mila diya hoga..etc ye bat unki Dil me bas gayi hai aaur 2 sal se thoda nakhre jyada dikha Rahi hai aaur kuch relative ko chadhane k Karan unhone kuch land sell kardi. So pls sir kuch aaisa law toh hoga Jo mujhe jamin pe sirf rok dilane me kam aaye ki woh aab aaur land na bech