1.  First National Conference on Solid State Ionics held at GNDU, Amritsar, Feb. 14-16 (1994).

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2.  Second national Conference Solid State Ionics held at IIT Madras, Feb. 15-17 (1996).

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3.  Third National Conference on Solid State Ionics held at NERIST, Itanagar, March 23-26 (1998).

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4.  Fourth National Conference on Solid State Ionics held at IIT Mumbai, March 3-5 (2000).

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5.  Fifth National Conference on Solid State Ionics held at Nagpur University, Feb. 15-17, (2002).

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6.  Sixth National Conference on Solid State Ionics held at Jadavpur University, Kolkata, Oct. 5-7 (2004).

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7.  Seventh National Conference on Solid State Ionics held at A.P.S. University, Rewa, Nov. 1-3 (2007).

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8.  Eighth National Conference on Solid State Ionics held at H.S. Gaur University, Sagar, Dec. 7-9, (2009).

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9.  Ninth National Conference on Solid State Ionics (NCSSI-9) held at JIIT, Noida, Dec.15-17 (2011).

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10. Tenth National Conference on Solid State Ionics (NCSSI-10) held at IIT Kharagpur, Dec. 21-24 (2013).

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11.  Eleventh National Conference on Solid State Ionics (NCSSI-11) held at Tezpur University, Dec. 21-23 (2015)

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12.  Twelfth National Conference on Solid State Ionics (NCSSI-12) held at BITS Pilani, Dec.21-23 (2017).

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13.  Thirteenth National Conference on Solid State Ionics (NCSSI-13) held at IIT Roorkee, Dec. 16-18 (2019)

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