Question: Which member of India's pop band Euphoria appeared in the film "Filhaal...?"

Context paragraphs:
Euphoria (Indian band): Euphoria (Hindi: युफ़ोरिया ) is an Indian rock band from the city of Delhi, India.  Euphoria was put together by Palash Sen and his friends in New Delhi in 1988.  The Band is one of the pioneers of the Indian pop music wave that hit India in the mid nineties.  The band released their fifth studio album 'Item' in 2011 on Universal Music India.

Gully (album): Gully is an album by Indian band Euphoria.

Palash Sen: Palash Sen is an Indian singer, songwriter, musician, composer and actor best known as the founder and frontman of India's pop band Euphoria.

Filhaal...: Filhaal... (English: Momentary ) is a Bollywood film released in 2002.  It stars Sushmita Sen, Tabu, Sanjay Suri and Palash Sen in the lead roles.  Meghna Gulzar, daughter of lyricist Gulzar and actress Raakhee, made her directorial debut with the film.  The film was critically well received, especially the performance of Ms. Sen, and won Zee Cine Awards for best supporting actress.

Phir Dhoom: Phir Dhoom (Hindi: फिर धूम ) is an album by Indian band Euphoria.

Dhoom (Euphoria album): Dhoom (Hindi: धूम ) is the first ever album by Indian rock band Euphoria released in 1998.  They followed it up with the album "Phir Dhoom".

ReDhoom: ReDhoom is the sixth album of the Indian rock band Euphoria and is the second remixed album in the Dhoom (the first being "Phir Dhoom" after the main Dhoom).

Mehfuz: Mehfuz (Hindi: महफ़ूज़ , Urdu: ‎ , translation: Secure) is the fifth album from the Indian rock band Euphoria.  Two of the songs on the album have been co-written by poet and lyricist Gulzar.

Best of Luck: Best of Luck is a 2010 Malayalam comedy film written and directed by M.A. Nishad.  It stars Prabhu, Urvashi, Asif Ali, Kailash, Archana Kavi and Rima Kallingal, and features Mammootty in a cameo role.  The soundtrack was composed by the Indian rock band Euphoria.  The song "NaNa", which was usred in the trailers, was composed by A. R. Rahman for an American film, "Couples Retreat".  The film was a remake of the Bollywood comedy film "".  Unlike the original, the film was extremely negatively received and was a commercial failure.  The movie was remade in Kannada in 2015 as "Ond Chance Kodi".

Euphoria (American band): Euphoria was a short-lived band from 1968 to 1969, consisting of Roger Penney on electric autoharp, Wendy Penney on Bass guitar, Tom Pacheco on Acoustic Guitar, and Sharon Alexander.  Roger and Wendy were a folk duo performing in Greenwich Village, using the names Roger Becket and Wendy Becket.  Euphoria is generally regarded as a sunshine pop group.

Supporting paragraphs: Filhaal... Palash Sen
Answer: Palash Sen