The city of Ambarnath, in the Indian state of Maharashtra, is also a part of the Mumbai Metropolitan Region. It falls within the territorial boundaries of the Thane district. The city is often spelled as Ambernath. The name Ambarnath translates to the Lord of the Sky and refers to Lord Shiva. The city is the site of an old temple dedicated to Lord Shiva, from 1060 AD. Like all suburbs of Mumbai, the railway track divides the city of Ambarnath into Ambarnath East and Ambarnath West. Ambarnath west has developed as an industrial zone and it has numerous small and large chemical factories. The government of India has set up an Ordnance Factory in the region, which is slowly developing a residential neighborhood in the area. There is a large safety matchstick manufacturing facility of WIMCO is located in this region along with more than 150 large-scale industries such as textile, aerospace, chemicals, edible goods and electrical hardware. Ambarnath East is mostly a residential area. The famous Shiva temple is located in Ambarnath East along with several residential and sporting complexes.
Ratnakar Bank was founded in August 1943. According to Business World-PWC Best Bank Survey, it was rated as the fastest growing small bank simultaneously in the year 2013, 2014 and 2015. In the year 2013, it bought a particular business of the Royal Bank of Scotland due to which 1.5 lakh of RBS customers moved to RBL Bank. In the year 2016, it acquired a 30% stake in Swadharv Finserve Pvt Ltd.RBL bank started the first credit card for Gold enthusiasts in association with Indian Gold Union. To support the government campaigns such as Make In India and Startup India, the RBL Bank came up with the Startup Club to fulfill the end to end banking needs of the emerging entrepreneurial community. It has also started the financial literacy program referred to as "Shaksham" in association with CDC to provide education to 25000 individuals and 300 villages in the four districts of MP. The RBL bank has also been a banking partner for the Delhi Daredevils. RBL even started another financial literacy program "Swadhaar Finaccess" for women from lower-income communities in association with Swadhaar Information and Management Services in Gujarat and Mumbai.