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References
- 1 2 "Google acquires Sigmoid Labs, developer of popular Where is my Train app". HT Tech. 2018-12-10. Retrieved 2022-10-05.
- ↑ "Where is My Train app: Google buys Indian startup! Indian Railways passengers check live train status offline". Financialexpress. 11 December 2018. Retrieved 2022-10-09.
- ↑ Variyar, Mugdha. "It's official: Google acquires 'Where is My Train' owner". The Economic Times. Retrieved 2022-10-09.
- ↑ Upadhyay, Harsh (2018-12-10). "Google acquires live train status app Where Is My Train". Entrackr. Retrieved 2023-08-12.
