Lok Sabha Question No. 3056 (UNSTARRED), answered on 2026-03-11
Subject: Nuclear Technology for Water Purification in Flood-affected Areas in Assam
Ministry: ATOMIC ENERGY
Asked by: Md. Rakibul Hussain

## GOVERNMENT OF INDIA

## DEPARTMENT OF ATOMIC ENERGY LOK SABHA UNSTARRED QUESTION NO -3056 ANSWERED ON 11/03/2026

## NUCLEAR TECHNOLOGY FOR WATER PURIFICATION IN FLOOD-AFFECTED AREAS IN ASSAM

## 3056.   MD. RAKIBUL HUSSAIN

Will the PRIME MINISTER be pleased to state:-

- (a) whether  the  Government  is  promoting  the  use  of  nuclear  technology  for  water purification in the flood-affected areas of Assam;
- (b) if so, the details and the present status of such initiatives;
- (c) the  details  of  agencies  involved  in  the  development  and  deployment  of  the  said technology; and
- (d) the details of coverage area where such technology has been implemented?

## ANSWER

## THE MINISTER OF STATE FOR PERSONNEL, PUBLIC GRIEVANCES & PENSIONS AND PRIME MINISTER'S OFFICE (DR. JITENDRA SINGH)

- (a) & (b)  Bhabha Atomic Research Centre (BARC) a constituent unit of DAE, has developed cost-effective and location/contaminant-specific membrane-based water purification technologies, as a spin-off of its in-house technology development initiatives, which can find application in treatment of water in flood affected areas. The notable among them  are  ultrafiltration  including  hollow  fibre-based  water  purifying  device  for microbial  decontamination  and  suspended  solids  removal  in  online  and  offline modes of operation, nanofiltration for multi-valent ions removal including hardness and heavy metals.
- (c) The water purification technologies are available for transfer to private entrepreneurs, on non-exclusive basis, for commercialisation. Till date the technology has been transferred to around 56 licensees for deployment across the country, the list of licensees of the respective water purification technologies are given below:

Composite  Polyamide  Reverse  Osmosis  (RO)  membrane  for  Brackish  Water Desalination

1. M/s Rupali Aquatech, Mahasrashtra
2. M/s Davey Products, Tamil Nadu
3. M/s Solus filtech Pvt , Gujarat
4. M/s Osmotech Membranes Pvt Ltd, Gujarat
5. M/s Xpert Water Technology, Gujarat
6. M/s Meera & Ceiko Pumps Pvt Ltd, Telengana

## Domestic Water Purifier based on Ultrafiltration Membrane Technology

1. M/s Rupali Aquatech, Mahasrashtra
2. M/s Sonadka Industries Pvt Ltd, Mahasrashtra
3. M/s Dattaguru Enterprises, Mahasrashtra
4. M/s Stellarin Ventures Pvt Ltd, New Delhi
5. M/s Mechmann Water Solutions Systems Pvt Ltd, Maharashtra
6. M/s Fontek Corporation, Maharashtra
7. M/s Learner's Corporation, Bihar
8. M/s Osmotech Membranes Pvt Ltd, Gujarat
9. M/s Utopia Automation & Control Pvt. Ltd., Maharashtra
10. M/s R. D. Aquatech, Karnataka
11. M/s Aquacare Industries, Maharashtra
12. M/s Aua Solutions, Assam

## Ultrafiltration Membrane Assisted DefluoridationTechnology

1. M/s Ltek Systems, Maharashtra
2. M/s Rupali Aquatech, Maharashtra
3. M/s Ajay Industrial Corporation Ltd, New Delhi
4. M/s Mahavir Pumps, West Bengal
5. M/s Water Life (I) Pvt. Ltd, Maharashtra
6. M/s Meera & Ceiko Pumps Pvt. Ltd, Telengana
7. M/s toyaM Technologies (I) Pvt. Ltd., Maharashtra
8. M/s Learner's Corporation, Bihar
9. M/s Cleanflo India Pvt. Ltd, New Delhi
10. M/s Orixex Engineering, New Delhi

## Ultrafiltration Membrane Assisted Arsenic Decontamination Technology

1. M/s Ltek Systems, Nagpur
2. M/s Sonadka, Mumbai
3. M/s Utopia Automation & Control Pvt Ltd, Maharashtra
4. M/s  Awatech Soluations (I) Pvt. Ltd, Gujarat
5. M/s Stellarin Ventures Pvt. Ltd. New Delhi
6. M/s toyaM Technologies (I) Pvt. Ltd, Maharashtra
7. M/s Unicare Technologies Pvt. Ltd, Maharashtra

## Ultrafiltration Membrane Assisted Iron Decontamination Technology

1. M/s LTEK Systems, Nagpur
2. M/s Mahavir Pumps, Kolkata
3. M/s Godrej & Boyce Mfg. Co. Ltd, Mumbai
4. M/s V C PROJECT & Infra Pvt, Ltd, Gujarat
5. M/s toyaM Technologies (I) Pvt Ltd, Maharashtra
6. M/s Evershine Business Ventures Pvt Ltd, Chhattisgarh

## Backwashable Spiral Wound Ultrafiltration Membrane Technology

1. M/s Concord Enviro Systems Pvt Ltd, Maharashtra
2. M/s Vats Micro Fine Filters Pvt Ltd, Maharashtra
3. M/s LTEK Systems, Maharashtra
4. M/s Mechmann Water Solutions Systems Pvt Ltd, Maharashtra

High  solute  rejecting  thin  film  composite  polyamide  membrane  for  Sea  Water Desalination

1. M/s Permionics Membranes Pvt Ltd, Gujarat
2. M/s Osmotech Membranes Pvt Ltd, Gujarat
3. M/s toyaM Technologies (I) Pvt. Ltd., Maharashtra
4. Charged Nanofiltration Membrane Technology
5. M/s Osmotech Membranes Pvt Ltd, Gujarat

Nanocomposite  Ultrafiltration  Membrane  Device  For  Domestic  Drinking  Water Purification W.R.T. Arsenic, Iron, And Microbial Contaminations

1. M/s Rupali  Aquatech, Mahasrashtra
2. M/s Sonadka Industries Pvt Ltd, Mahasrashtra
3. M/s Dattaguru Enterprises, Mahasrashtra
4. M/s Stellarin Ventures Pvt Ltd New Delhi
5. M/s Mechmann Water Solutions Systems Pvt Ltd, Maharashtra
6. M/s Learner's Corporation, Biha r
7. (d) The BARC-developed water purification technologies have been deployed in the States like Gujarat, Odisha, Karnataka, West Bengal, Tamil Nadu, Assam, Bihar, Kerala, Rajasthan and Maharashtra on domestic and community scale.

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