Mohnish is married and has a daughter. He made his debut in 1984 horror “Purana Mandir” where he played the lead role. Mohnish Behl first attracted notice playing the villain in Maine Pyar Kiya.

He is probably best known for playing villainous roles, notably the spoiled brat “Bali” in “Shola Aur Shabnam”, as “Narendra” in the hit film “Deewana” and the manipulative son-in-law “Rajesh” in Ek Rishtaa: The Bond of Love”.

1. Life Mein Kabhie Kabhiee (2007)
2. Vivah (2006)
3. Janani (2006)
4. Shaadi Karke Phas Gaya Yaar (2006)
5. Sandwich (2006)
6. Vaah! Life Ho Toh Aisi! (2005) (as Mohnish Behl)
7. Hum Tum Aur Mom: Mother Never Misguides (2005)
8. Khullam Khulla Pyaar Karen (2005)
9. “Kalchakra” (2004) TV Series
10. LOC: Kargil (2003)
11. “Devi” (2003) TV Series
12. Ek Hindustani (2003)
13. Waah! Tera Kya Kehna (2002)
14. Shararat (2002)
15. Haan Maine Bhi Pyaar Kiya (2002)
16. Yeh Mohabbat Hai (2002)
17. Tum Jiyo Hazaron Saal (2002)
18. Ek Rishtaa: The Bond of Love (2001)
19. Pyaar Zindagi Hai (2001)
20. Kahin Pyaar Na Ho Jaaye (2000)
21. Astitva (2000)
22. Jaanwar (1999)
23. Vaastav: The Reality (1999)
24. Pyaar Koi Khel Nahin (1999)
25. Safari (1999)
26. Jai Hind (1999)
27. Hum Saath-Saath Hain: We Stand United (1999)
28. Sirf Tum (1999)
29. Pardesi Babu (1998)
30. Barood (1998)
31. Dulhe Raja (1998) (as Mohnish Behl)
32. Duplicate (1998)
33. Aunty No. 1 (1998)
34. Yugpurush: A Man Who Comes Just Once in a Way (1998) (as Mohnish Behl)
35. Jaane Jigar (1998) (as Mohnish Behl)
36. Doli Saja Ke Rakhna (1998)
37. Hitler (1998)
38. Mohabbat Aur Jung (1998)
39. Phool Bane Patthar (1998)
40. Udaan (1997) (as Mohnish Behl)
41. Tarazu (1997)
42. Kaun Sachcha Kaun Jhootha (1997) (as Mohnish Behl)
43. Koyla (1997) (as Mohnish Behl)
44. Ghulam-E-Musthafa (1997) (as Mohnish Behal)
45. Itihaas (1997) (as Mohnish Behl)
46. Raja Ki Ayegi Baraat (1997)
47. Ajay (1996)
48. Raja Hindustani (1996) (as Mohnish Behl)
49. Shohrat (1996)
50. Megha (1996) (as Mohnish Behl)
51. Army (1996)
52. Angrakshak (1995)
53. Diya Aur Toofan (1995)
54. Gundaraj (1995)
55. Hum Dono (1995) (as Mohanish Behl)
56. Sabse Bada Khiladi (1995) (as Mohnish Behl)
57. Aazmayish (1995)
58. Aashique Mastane (1995)
59. Ahankaar (1995) (as Mohnish Behl)
60. Kartavya (1995)
61. Raghuveer (1995) (as Mohinish Behl)
62. Prem Yog (1994)
63. Aag (1994)
64. Jazbaat (1994)
65. Saajan Ka Ghar (1994)
66. Laadla (1994) (as Mohnish Behl)
67. Elaan (1994)
68. Eena Meena Deeka (1994) (as Mohnish Behl)
69. Kasam Teri Kasam (1993)
70. Chandra Mukhi (1993)
71. Dil Hai Betaab (1993)
72. Phool Aur Angaar (1993)
73. Platform (1993)
74. Aashiq Awara (1993)
75. Ek Hi Raasta (1993)
76. Bol Radha Bol (1992)
77. Deewana (1992) (as Mohnish Behl)
78. Honeymoon (1992) (as Mohnish Behl)
79. Shola Aur Shabnam (1992) (as Mohnish Behl)
80. Mehboob Mere Mehboob (1992)
81. Yudhpath (1992)
82. Pyaar Ka Saaya (1991) (as Mohnish Behl)
83. Dancer (1991)
84. Henna (1991) (as Monish Behl)
85. Baaghi: A Rebel for Love (1990) (as Mohnish Bahel)
86. Maine Pyar Kiya (1989)
87. Itihaas (1987)
88. Purana Mandir (1984)