Follow the practice of your local reliable scholars and the madhhab you adhere to. If you are unsure, making sincere dua for the deceased is the safest and most universally accepted act at the grave.
The act of Fatiha is essentially a prayer. The sincerity of the heart matters more than the length of the recitation. If one cannot recite Arabic correctly, making Dua in one's native language for the deceased is also valid and accepted by Allah. kabristan me fatiha ka tarika
A crucial part of the method is to "gift" the reward of the recitation to the deceased. Imagine presenting the reward as a gift. Follow the practice of your local reliable scholars
पढ़ने के बाद हाथ उठाकर अल्लाह से दुआ करें। दुआ में कहें: "ऐ अल्लाह, मैंने जो कुछ भी पढ़ा है, इसमें जो गलतियां हुई हों उन्हें माफ फरमा और इसका सवाब (Reward) इस मरहूम (मरने वाले का नाम लें) की रूह को पेश करता हूँ, इसे कुबूल फरमा।" The sincerity of the heart matters more than