Conscientiously(adverb)
In a thorough and responsible way.
Hindi meaning:कर्तव्यनिष्ठा से
Synonyms: Scrupulously, Carefully, Thoroughly
Antonyms: Partially, Carelessly
Example: She spent several pages dealing conscientiously with the law, which I need not read.
Trick to remember: Scientist ne conscientiously complete kiya apna research 
