bold baby hair

Mummies, my baby is 1 years old. Have not bold her hair due to my grandma passed away and waited for 1 year prayers. After 1 year prayers over tot of shaving her hair fod thaipusam + I wanted to drop her hair at prayed temple at pangkor. But my mom go and cut her at front part which I got so mad about it. So should I shave her hair now, what's Indian mummies suggestion as need to follow the ritual for first hair shaving? Please help me as I am so hurt that my mom did this