Established in 1960, R. K. Dutt Concerns, a pioneer in the field of Magnetic Indicators, commenced it's operation at a 750 sq. mtr. works, at Wagle Estate, Thane, in 1974. With application oriented R & D as it's strength, it went on to develop several state - of - the - art instruments for the first time in India - like Magnetic Indicator for Liq. Chlorine - Magnamount, Intrinsically safe transmitter for LPG - Insertrans, Bicoloured magnetic indication - Rotocyl, Displacer type Indicating Transmitter - Immertrans or Helitrans - LVDT all with 100% indigenous knowhow. 

To cap it all, in 1998, it became the first company in level instrumentation, to get ISO 9001 certificate. It has statutory approvals from bodies like IBR, CCOE, CMRI,  BIS, NSIC and Prestigious Undertakings like EIL, TOYO, ABB, HP, NPC, DAE, etc. Its products have been exported to USA, USSR, UAE, Thailand, Malaysia, Oman, Iran, Ghana, Bangladesh. Partial list of Indian users includes prestigious companies / undertakings like Indian Oil Corp., IPCL, ONGC, BPCL, DAE, Indian Navy, ISRO, GSFC, Hindustan Lever, Reliance, Bayer, Novartis, Clariant, Glaxo, ICI, United Phos., Excel, Mitsu, Hindustan Inks, Converter Adhesives, Lupin, Max India, Dr. Reddy's Lab, etc.