rock-solid meaning in Hindi

Examples

1. The scheme can only have widened his support base . By focusing on the formation of one lakh self-help groups , he has ensured the rock-solid backing of two million women in the state .
   एक लख स्वहित समूह ग इत करने की योजना बनाकर उन्होंने यह पक्का कर लिया कि उन्हें राज्य की 20 लख महिलओं का ओस समर्थन