To answer this question, we need to know who Anandghan is a pseudonym for.
Option A) Sudhir Phadke - This option is incorrect because Anandghan is not a pseudonym for Sudhir Phadke. Sudhir Phadke was a renowned music composer and playback singer in the Marathi film industry, but Anandghan is not associated with him.
Option B) Hridaynath Mangeshkar - This option is incorrect because Anandghan is not a pseudonym for Hridaynath Mangeshkar. Hridaynath Mangeshkar is a music director and composer, but he is not known by the pseudonym Anandghan.
Option C) Lata Mangeshkar - This option is correct because Anandghan is a pseudonym for Lata Mangeshkar. Lata Mangeshkar, the legendary playback singer, has composed music under the pseudonym Anandghan for some Marathi films.
Option D) Shrinivas Khale - This option is incorrect because Anandghan is not a pseudonym for Shrinivas Khale. Shrinivas Khale was a renowned music composer and harmonium player in the Indian classical music field, but he is not associated with the pseudonym Anandghan.
The correct answer is C) Lata Mangeshkar. Anandghan is a pseudonym used by Lata Mangeshkar for composing music in Marathi films.