Kolasla (Vidhan Sabha constituency)
Kolasla was one of the 425 Vidhan Sabha constituencies of Uttar Pradesh state in central India. It was a part of the Varanasi district and one of the assembly constituencies in the Varanasi Lok Sabha constituency. Kolasla Assembly constituency came into existence in 1962 and ceased to exist in 2008 as a result of "Delimitation of Parliamentary and Assembly Constituencies Order, 2008".- 1962: Udal, Communist Party of India
- 1967: Udal, Communist Party of India
- 1969: Amar Nath Dubey, Indian National Congress
- 1974: Udal, Communist Party of India
- 1977: Udal, Communist Party of India
- 1980: Udal, Communist Party of India
- 1985: Ramkaran Patel, Indian National Congress
- 1989: Udal, Communist Party of India
- 1991: Udal, Communist Party of India
- 1993: Udal, Communist Party of India
- 1996: Ajay Rai, Bharatiya Janata Party
- 2002: Ajay Rai, Bharatiya Janata Party
- 2007: Ajay Rai, Bharatiya Janata Party Ajay Rai,
- 2009 : Ajay Rai, Independent