IN THE HIGH COURT OF JUDICATURE AT MADRAS Dated: 13.02.2024 CORAM THE HONOURABLE MR. JUSTICE R.SURESH KUMAR AND THE HONOURABLE MR. JUSTICE K.KUMARESH BABU W rit Petition Nos.2824, 2827, 2831, 2833 & 2835 of 2024 M.Sambamurthy ... Petitioner in W.P.No.2824 of 2024 V.Kumaran ... Petitioner in W.P.No.2827 of 2024 A.Govindarajan ... Petitioner in W.P.No.2831 of 2024 S.Raju ... Petitioner in W.P.No.2833 of 2024 N.Kathiresan ... Petitioner in W.P.No.2835 of 2024 Vs

1.The Union of India, Represented by the Secretary, Department of Atomic Energy, Government of India, Anushakthi Bhavan, CSM Marg, Mumbai – 400 001.

2.The Director, Indira Gandhi Centre for Atomic Research (IGCAR), Department pf Atomic Energy, Kalpakkam, Kancheepuram – 603 102.

3.The Under Secretary, Department of Pension and Pensioners Welfare, Ministry of Personnel, Public Grievances & Pensions, Government of India, 3rd Floor, Lok Nayak Bhavan, Khan Market, New Delhi – 110 003.

4.The Director, Department of Pension and Pensioners Welfare, 3rd Floor, Lok Nayak Bhavan, Khan Market, New Delhi – 110 003.

5.The Administrative Officer, Indira Gandhi Centre for Atomic Research (IGCAR), Department pf Atomic Energy, Kalpakkam, Kancheepuram – 603 102.

6.The Hon'ble Central Administrative Tribunal.

Represented by its Registrar, Madras Bench, Chennai – 600 104. ... Respondents in all W.Ps.

PRAYER in W.P.No.2824 of 2024:- Writ Petition filed under Article 226 of the Constitution of India praying for issuance of Writ of Certiorarified Mandamus to call for the records relating to the impugned order passed by the Hon'ble Central Administrative Tribunal, Chennai in O.A.No.1242 of 2019 dated 15.11.2022 and the order of the 5^th respondent in No.7/1/8/2019- Admin(L)/117 dated 13.05.2019 and the order in Ref.No.IGCAR/IC No.3776/Admin (P-II)/2017/5256 dated 06.05.2017 and quash the same and direct the respondents (1) to (5) to consider the case of the petitioner for transfer to the Pension Scheme, namely General Provident Scheme (GPF) and consequently, grant him Pension and attendant benefits pass further orders.

PRAYER in W.P.No.2827 of 2024:- Writ Petition filed under Article 226 of the Constitution of India praying for issuance of Writ of Certiorarified Mandamus to call for the records relating to the impugned order passed by the Hon'ble Central Administrative Tribunal, Chennai in O.A.No.1241 of

2019 dated 15.11.2022 and the order of the 5^th respondent in No.7/1/8/2019-Admin(L)/111 dated 07.05.2019 and the order in Ref. No.IGCAR/IC No.3453/Admin (P-II)/2017/5257 dated 06.05.2017 and quash the same and direct the respondents (1) to (5) to consider the case of the petitioner for transfer to the Pension Scheme, namely General Provident Scheme (GPF) and consequently, grant him Pension and attendant benefits pass further orders.

PRAYER in W.P.No.2831 of 2024:- Writ Petition filed under Article 226 of the Constitution of India praying for issuance of Writ of Certiorarified Mandamus to call for the records relating to the impugned order passed by the Hon'ble Central Administrative Tribunal, Chennai in O.A.No.1239 of 2019 dated 15.11.2022 and the order of the 5^th respondent in No.7/1/8/2019-Admin(L)/110 dated 07.05.2019 and the order in Ref. No.IGCAR/IC No.3931/Admin (P-II)/2017/5249 dated 22.05.2017 and quash the same and direct the respondents (1) to (5) to consider the case of the petitioner for transfer to the Pension Scheme, namely General Provident Scheme (GPF) and consequently, grant him Pension and consequential benefits pass further orders.

PRAYER in W.P.No.2833 of 2024:- Writ Petition filed under Article 226 of the Constitution of India praying for issuance of Writ of Certiorarified Mandamus to call for the records relating to the impugned order passed by the Hon'ble Central Administrative Tribunal, Chennai in O.A.No.1238 of

2019 dated 15.11.2022 and the order of the 5^th respondent in No.7/1/8/2019-Admin(L)/108 dated 07.05.2019 and the order in Ref. No.IGCAR/IC No.4343/Admin (P-II)/2017/5255 dated