text: kal raat toh main itni scared thi,kyunki bahar kuch awazein aa rahi thi, socha ki kyun na ek strong security door lagwa doon?bilkul sahi socha tumne, aaj kal toh door locks bhi smart hote ja rahe hain, unhe dekhne mein bhi achha lagta hai aur security bhi badh jaati hai!